id	sid	tid	token	lemma	pos
concept-2687	1	1	1	1	NUM
concept-2687	1	2	something	something	PRON
concept-2687	1	3	to	to	PART
concept-2687	1	4	crow	crow	VERB
concept-2687	1	5	about	about	ADP
concept-2687	1	6	:	:	PUNCT
concept-2687	1	7	birds	bird	NOUN
concept-2687	1	8	with	with	ADP
concept-2687	1	9	tools	tool	NOUN
concept-2687	1	10	william	william	PROPN
concept-2687	1	11	mccarthy	mccarthy	PROPN
concept-2687	1	12	iv	iv	NUM
concept-2687	1	13	psychology	psychology	NOUN
concept-2687	1	14	locals	local	NOUN
concept-2687	1	15	in	in	ADP
concept-2687	1	16	new	new	PROPN
concept-2687	1	17	caledonia	caledonia	PROPN
concept-2687	1	18	tell	tell	NOUN
concept-2687	1	19	of	of	ADP
concept-2687	1	20	crows	crow	NOUN
concept-2687	1	21	using	use	VERB
concept-2687	1	22	tools	tool	NOUN
concept-2687	1	23	made	make	VERB
concept-2687	1	24	from	from	ADP
concept-2687	1	25	leaves	leave	NOUN
concept-2687	1	26	.	.	PUNCT
concept-2687	2	1	crows	crow	NOUN
concept-2687	2	2	were	be	AUX
concept-2687	2	3	introduced	introduce	VERB
concept-2687	2	4	to	to	ADP
concept-2687	2	5	the	the	DET
concept-2687	2	6	island	island	NOUN
concept-2687	2	7	around	around	ADP
concept-2687	2	8	the	the	DET
concept-2687	2	9	inception	inception	NOUN
concept-2687	2	10	of	of	ADP
concept-2687	2	11	european	european	ADJ
concept-2687	2	12	colonialization	colonialization	PROPN
concept-2687	2	13	ca	ca	NOUN
concept-2687	2	14	.	.	PUNCT
concept-2687	3	1	1850	1850	NUM
concept-2687	3	2	(	(	PUNCT
concept-2687	3	3	hunt	hunt	NOUN
concept-2687	3	4	&	&	CCONJ
concept-2687	3	5	gray	gray	PROPN
concept-2687	3	6	,	,	PUNCT
concept-2687	3	7	2003	2003	NUM
concept-2687	3	8	)	)	PUNCT
concept-2687	3	9	.	.	PUNCT
concept-2687	4	1	new	new	PROPN
concept-2687	4	2	caledonians	caledonians	PROPN
concept-2687	4	3	have	have	AUX
concept-2687	4	4	embraced	embrace	VERB
concept-2687	4	5	the	the	DET
concept-2687	4	6	stories	story	NOUN
concept-2687	4	7	about	about	ADP
concept-2687	4	8	their	their	PRON
concept-2687	4	9	crows	crow	NOUN
concept-2687	4	10	using	use	VERB
concept-2687	4	11	tools	tool	NOUN
concept-2687	4	12	.	.	PUNCT
concept-2687	5	1	their	their	PRON
concept-2687	5	2	national	national	ADJ
concept-2687	5	3	postage	postage	NOUN
concept-2687	5	4	stamps	stamp	NOUN
concept-2687	5	5	feature	feature	VERB
concept-2687	5	6	a	a	DET
concept-2687	5	7	crow	crow	NOUN
concept-2687	5	8	holding	hold	VERB
concept-2687	5	9	a	a	DET
concept-2687	5	10	leaf	leaf	NOUN
concept-2687	5	11	tool	tool	NOUN
concept-2687	5	12	in	in	ADP
concept-2687	5	13	its	its	PRON
concept-2687	5	14	beak	beak	NOUN
concept-2687	5	15	.	.	PUNCT
concept-2687	6	1	new	new	ADJ
concept-2687	6	2	caledonian	caledonian	PROPN
concept-2687	6	3	crows	crow	NOUN
concept-2687	6	4	(	(	PUNCT
concept-2687	6	5	nccs	nccs	PROPN
concept-2687	6	6	)	)	PUNCT
concept-2687	6	7	manufacture	manufacture	VERB
concept-2687	6	8	a	a	DET
concept-2687	6	9	distinct	distinct	ADJ
concept-2687	6	10	variety	variety	NOUN
concept-2687	6	11	of	of	ADP
concept-2687	6	12	tools	tool	NOUN
concept-2687	6	13	,	,	PUNCT
concept-2687	6	14	depending	depend	VERB
concept-2687	6	15	on	on	ADP
concept-2687	6	16	their	their	PRON
concept-2687	6	17	functional	functional	ADJ
concept-2687	6	18	demands	demand	NOUN
concept-2687	6	19	.	.	PUNCT
concept-2687	7	1	indeed	indeed	ADV
concept-2687	7	2	,	,	PUNCT
concept-2687	7	3	human	human	ADJ
concept-2687	7	4	folklore	folklore	NOUN
concept-2687	7	5	attributes	attribute	VERB
concept-2687	7	6	intelligence	intelligence	NOUN
concept-2687	7	7	and	and	CCONJ
concept-2687	7	8	cleverness	cleverness	NOUN
concept-2687	7	9	to	to	ADP
concept-2687	7	10	crows	crow	NOUN
concept-2687	7	11	and	and	CCONJ
concept-2687	7	12	recounts	recount	NOUN
concept-2687	7	13	of	of	ADP
concept-2687	7	14	their	their	PRON
concept-2687	7	15	ability	ability	NOUN
concept-2687	7	16	to	to	PART
concept-2687	7	17	understand	understand	VERB
concept-2687	7	18	cause	cause	NOUN
concept-2687	7	19	and	and	CCONJ
concept-2687	7	20	effect	effect	VERB
concept-2687	7	21	relations	relation	NOUN
concept-2687	7	22	(	(	PUNCT
concept-2687	7	23	aesop	aesop	PROPN
concept-2687	7	24	&	&	CCONJ
concept-2687	7	25	rackham	rackham	PROPN
concept-2687	7	26	,	,	PUNCT
concept-2687	7	27	1975	1975	NUM
concept-2687	7	28	)	)	PUNCT
concept-2687	7	29	.	.	PUNCT
concept-2687	8	1	in	in	ADP
concept-2687	8	2	the	the	DET
concept-2687	8	3	crow	crow	NOUN
concept-2687	8	4	and	and	CCONJ
concept-2687	8	5	the	the	DET
concept-2687	8	6	pitcher	pitcher	NOUN
concept-2687	8	7	,	,	PUNCT
concept-2687	8	8	a	a	DET
concept-2687	8	9	thirsty	thirsty	ADJ
concept-2687	8	10	crow	crow	NOUN
concept-2687	8	11	finds	find	VERB
concept-2687	8	12	a	a	DET
concept-2687	8	13	pitcher	pitcher	NOUN
concept-2687	8	14	with	with	ADP
concept-2687	8	15	water	water	NOUN
concept-2687	8	16	at	at	ADP
concept-2687	8	17	the	the	DET
concept-2687	8	18	bottom	bottom	NOUN
concept-2687	8	19	.	.	PUNCT
concept-2687	9	1	however	however	ADV
concept-2687	9	2	,	,	PUNCT
concept-2687	9	3	the	the	DET
concept-2687	9	4	jug	jug	NOUN
concept-2687	9	5	is	be	AUX
concept-2687	9	6	too	too	ADV
concept-2687	9	7	heavy	heavy	ADJ
concept-2687	9	8	to	to	PART
concept-2687	9	9	overturn	overturn	VERB
concept-2687	9	10	,	,	PUNCT
concept-2687	9	11	and	and	CCONJ
concept-2687	9	12	the	the	DET
concept-2687	9	13	mouth	mouth	NOUN
concept-2687	9	14	of	of	ADP
concept-2687	9	15	the	the	DET
concept-2687	9	16	pitcher	pitcher	NOUN
concept-2687	9	17	is	be	AUX
concept-2687	9	18	too	too	ADV
concept-2687	9	19	narrow	narrow	ADJ
concept-2687	9	20	to	to	PART
concept-2687	9	21	reach	reach	VERB
concept-2687	9	22	inside	inside	ADV
concept-2687	9	23	and	and	CCONJ
concept-2687	9	24	drink	drink	VERB
concept-2687	9	25	.	.	PUNCT
concept-2687	10	1	the	the	DET
concept-2687	10	2	crow	crow	NOUN
concept-2687	10	3	picks	pick	VERB
concept-2687	10	4	up	up	ADP
concept-2687	10	5	pebbles	pebble	NOUN
concept-2687	10	6	and	and	CCONJ
concept-2687	10	7	drops	drop	VERB
concept-2687	10	8	them	they	PRON
concept-2687	10	9	within	within	ADP
concept-2687	10	10	the	the	DET
concept-2687	10	11	pitcher	pitcher	NOUN
concept-2687	10	12	.	.	PUNCT
concept-2687	11	1	doing	do	VERB
concept-2687	11	2	this	this	PRON
concept-2687	11	3	causes	cause	VERB
concept-2687	11	4	the	the	DET
concept-2687	11	5	water	water	NOUN
concept-2687	11	6	to	to	PART
concept-2687	11	7	rise	rise	VERB
concept-2687	11	8	,	,	PUNCT
concept-2687	11	9	and	and	CCONJ
concept-2687	11	10	the	the	DET
concept-2687	11	11	thirsty	thirsty	ADJ
concept-2687	11	12	crow	crow	NOUN
concept-2687	11	13	satiates	satiate	VERB
concept-2687	11	14	its	its	PRON
concept-2687	11	15	thirst	thirst	NOUN
concept-2687	11	16	.	.	PUNCT
concept-2687	12	1	tools	tool	NOUN
concept-2687	12	2	differ	differ	VERB
concept-2687	12	3	from	from	ADP
concept-2687	12	4	materials	material	NOUN
concept-2687	12	5	.	.	PUNCT
concept-2687	13	1	one	one	PRON
concept-2687	13	2	can	can	AUX
concept-2687	13	3	imagine	imagine	VERB
concept-2687	13	4	a	a	DET
concept-2687	13	5	nest	nest	NOUN
concept-2687	13	6	as	as	ADP
concept-2687	13	7	a	a	DET
concept-2687	13	8	tool	tool	NOUN
concept-2687	13	9	created	create	VERB
concept-2687	13	10	by	by	ADP
concept-2687	13	11	a	a	DET
concept-2687	13	12	bird	bird	NOUN
concept-2687	13	13	for	for	ADP
concept-2687	13	14	the	the	DET
concept-2687	13	15	purpose	purpose	NOUN
concept-2687	13	16	of	of	ADP
concept-2687	13	17	sleeping	sleep	VERB
concept-2687	13	18	.	.	PUNCT
concept-2687	14	1	however	however	ADV
concept-2687	14	2	,	,	PUNCT
concept-2687	14	3	to	to	PART
concept-2687	14	4	make	make	VERB
concept-2687	14	5	its	its	PRON
concept-2687	14	6	nest	nest	NOUN
concept-2687	14	7	the	the	DET
concept-2687	14	8	bird	bird	NOUN
concept-2687	14	9	uses	use	VERB
concept-2687	14	10	their	their	PRON
concept-2687	14	11	beaks	beak	NOUN
concept-2687	14	12	or	or	CCONJ
concept-2687	14	13	claws	claw	NOUN
concept-2687	14	14	when	when	SCONJ
concept-2687	14	15	manipulating	manipulate	VERB
concept-2687	14	16	stick	stick	NOUN
concept-2687	14	17	materials	material	NOUN
concept-2687	14	18	.	.	PUNCT
concept-2687	15	1	the	the	DET
concept-2687	15	2	nest	nest	NOUN
concept-2687	15	3	is	be	AUX
concept-2687	15	4	not	not	PART
concept-2687	15	5	the	the	DET
concept-2687	15	6	tool	tool	NOUN
concept-2687	15	7	which	which	PRON
concept-2687	15	8	the	the	DET
concept-2687	15	9	bird	bird	NOUN
concept-2687	15	10	uses	use	VERB
concept-2687	15	11	to	to	PART
concept-2687	15	12	sleep	sleep	VERB
concept-2687	15	13	,	,	PUNCT
concept-2687	15	14	but	but	CCONJ
concept-2687	15	15	the	the	DET
concept-2687	15	16	material	material	NOUN
concept-2687	15	17	which	which	PRON
concept-2687	15	18	the	the	DET
concept-2687	15	19	bird	bird	NOUN
concept-2687	15	20	manipulates	manipulate	VERB
concept-2687	15	21	.	.	PUNCT
concept-2687	16	1	a	a	DET
concept-2687	16	2	tool	tool	NOUN
concept-2687	16	3	is	be	AUX
concept-2687	16	4	a	a	DET
concept-2687	16	5	manufactured	manufacture	VERB
concept-2687	16	6	functional	functional	ADJ
concept-2687	16	7	object	object	NOUN
concept-2687	16	8	.	.	PUNCT
concept-2687	17	1	tool	tool	NOUN
concept-2687	17	2	use	use	NOUN
concept-2687	17	3	can	can	AUX
concept-2687	17	4	be	be	AUX
concept-2687	17	5	defined	define	VERB
concept-2687	17	6	by	by	ADP
concept-2687	17	7	“	"	PUNCT
concept-2687	17	8	the	the	DET
concept-2687	17	9	use	use	NOUN
concept-2687	17	10	of	of	ADP
concept-2687	17	11	an	an	DET
concept-2687	17	12	external	external	ADJ
concept-2687	17	13	object	object	NOUN
concept-2687	17	14	as	as	ADP
concept-2687	17	15	a	a	DET
concept-2687	17	16	functional	functional	ADJ
concept-2687	17	17	extension	extension	NOUN
concept-2687	17	18	of	of	ADP
concept-2687	17	19	a	a	DET
concept-2687	17	20	mouth	mouth	NOUN
concept-2687	17	21	or	or	CCONJ
concept-2687	17	22	beak	beak	NOUN
concept-2687	17	23	,	,	PUNCT
concept-2687	17	24	hand	hand	NOUN
concept-2687	17	25	or	or	CCONJ
concept-2687	17	26	claw	claw	NOUN
concept-2687	17	27	,	,	PUNCT
concept-2687	17	28	which	which	PRON
concept-2687	17	29	extends	extend	VERB
concept-2687	17	30	the	the	DET
concept-2687	17	31	physical	physical	ADJ
concept-2687	17	32	influence	influence	NOUN
concept-2687	17	33	of	of	ADP
concept-2687	17	34	the	the	DET
concept-2687	17	35	animal	animal	NOUN
concept-2687	17	36	in	in	ADP
concept-2687	17	37	the	the	DET
concept-2687	17	38	attainment	attainment	NOUN
concept-2687	17	39	of	of	ADP
concept-2687	17	40	an	an	DET
concept-2687	17	41	immediate	immediate	ADJ
concept-2687	17	42	goal	goal	NOUN
concept-2687	17	43	"	"	PUNCT
concept-2687	17	44	(	(	PUNCT
concept-2687	17	45	goodall	goodall	PROPN
concept-2687	17	46	,	,	PUNCT
concept-2687	17	47	1970	1970	NUM
concept-2687	17	48	;	;	PUNCT
concept-2687	17	49	kamil	kamil	PROPN
concept-2687	17	50	&	&	CCONJ
concept-2687	17	51	jones	jones	PROPN
concept-2687	17	52	,	,	PUNCT
concept-2687	17	53	1973	1973	NUM
concept-2687	17	54	)	)	PUNCT
concept-2687	17	55	.	.	PUNCT
concept-2687	18	1	true	true	ADJ
concept-2687	18	2	tools	tool	NOUN
concept-2687	18	3	are	be	AUX
concept-2687	18	4	neither	neither	CCONJ
concept-2687	18	5	beaks	beak	NOUN
concept-2687	18	6	nor	nor	CCONJ
concept-2687	18	7	claws	claw	NOUN
concept-2687	18	8	.	.	PUNCT
concept-2687	19	1	the	the	DET
concept-2687	19	2	evolution	evolution	NOUN
concept-2687	19	3	of	of	ADP
concept-2687	19	4	tool	tool	NOUN
concept-2687	19	5	use	use	NOUN
concept-2687	19	6	in	in	ADP
concept-2687	19	7	homo	homo	NOUN
concept-2687	19	8	sapiens	sapiens	PROPN
concept-2687	19	9	reveals	reveal	VERB
concept-2687	19	10	important	important	ADJ
concept-2687	19	11	aspects	aspect	NOUN
concept-2687	19	12	about	about	ADP
concept-2687	19	13	the	the	DET
concept-2687	19	14	development	development	NOUN
concept-2687	19	15	of	of	ADP
concept-2687	19	16	higher	high	ADJ
concept-2687	19	17	-	-	PUNCT
concept-2687	19	18	order	order	NOUN
concept-2687	19	19	cognition	cognition	NOUN
concept-2687	19	20	.	.	PUNCT
concept-2687	20	1	some	some	DET
concept-2687	20	2	point	point	NOUN
concept-2687	20	3	to	to	ADP
concept-2687	20	4	tool	tool	NOUN
concept-2687	20	5	use	use	NOUN
concept-2687	20	6	as	as	ADP
concept-2687	20	7	a	a	DET
concept-2687	20	8	prominent	prominent	ADJ
concept-2687	20	9	advantage	advantage	NOUN
concept-2687	20	10	that	that	PRON
concept-2687	20	11	humans	human	NOUN
concept-2687	20	12	utilized	utilize	VERB
concept-2687	20	13	to	to	PART
concept-2687	20	14	compete	compete	VERB
concept-2687	20	15	with	with	ADP
concept-2687	20	16	rival	rival	ADJ
concept-2687	20	17	species	specie	NOUN
concept-2687	20	18	.	.	PUNCT
concept-2687	21	1	it	it	PRON
concept-2687	21	2	remains	remain	VERB
concept-2687	21	3	unclear	unclear	ADJ
concept-2687	21	4	if	if	SCONJ
concept-2687	21	5	tool	tool	NOUN
concept-2687	21	6	use	use	NOUN
concept-2687	21	7	by	by	ADP
concept-2687	21	8	early	early	ADJ
concept-2687	21	9	humans	human	NOUN
concept-2687	21	10	caused	cause	VERB
concept-2687	21	11	them	they	PRON
concept-2687	21	12	to	to	PART
concept-2687	21	13	develop	develop	VERB
concept-2687	21	14	2	2	NUM
concept-2687	21	15	larger	large	ADJ
concept-2687	21	16	brains	brain	NOUN
concept-2687	21	17	,	,	PUNCT
concept-2687	21	18	or	or	CCONJ
concept-2687	21	19	rather	rather	ADV
concept-2687	21	20	,	,	PUNCT
concept-2687	21	21	if	if	SCONJ
concept-2687	21	22	larger	large	ADJ
concept-2687	21	23	brains	brain	NOUN
concept-2687	21	24	led	lead	VERB
concept-2687	21	25	to	to	ADP
concept-2687	21	26	the	the	DET
concept-2687	21	27	development	development	NOUN
concept-2687	21	28	of	of	ADP
concept-2687	21	29	tool	tool	NOUN
concept-2687	21	30	use	use	NOUN
concept-2687	21	31	.	.	PUNCT
concept-2687	22	1	tool	tool	NOUN
concept-2687	22	2	use	use	NOUN
concept-2687	22	3	has	have	AUX
concept-2687	22	4	only	only	ADV
concept-2687	22	5	been	be	AUX
concept-2687	22	6	achieved	achieve	VERB
concept-2687	22	7	by	by	ADP
concept-2687	22	8	two	two	NUM
concept-2687	22	9	distinct	distinct	ADJ
concept-2687	22	10	organizations	organization	NOUN
concept-2687	22	11	of	of	ADP
concept-2687	22	12	brain	brain	NOUN
concept-2687	22	13	architecture	architecture	NOUN
concept-2687	22	14	:	:	PUNCT
concept-2687	22	15	one	one	NUM
concept-2687	22	16	in	in	ADP
concept-2687	22	17	mammals	mammal	NOUN
concept-2687	22	18	,	,	PUNCT
concept-2687	22	19	the	the	DET
concept-2687	22	20	other	other	ADJ
concept-2687	22	21	in	in	ADP
concept-2687	22	22	birds	bird	NOUN
concept-2687	22	23	.	.	PUNCT
concept-2687	23	1	researchers	researcher	NOUN
concept-2687	23	2	continued	continue	VERB
concept-2687	23	3	to	to	PART
concept-2687	23	4	equivocate	equivocate	VERB
concept-2687	23	5	the	the	DET
concept-2687	23	6	intelligence	intelligence	NOUN
concept-2687	23	7	of	of	ADP
concept-2687	23	8	crows	crow	NOUN
concept-2687	23	9	with	with	ADP
concept-2687	23	10	that	that	PRON
concept-2687	23	11	of	of	ADP
concept-2687	23	12	the	the	DET
concept-2687	23	13	great	great	ADJ
concept-2687	23	14	apes	ape	NOUN
concept-2687	23	15	.	.	PUNCT
concept-2687	24	1	corvids	corvid	NOUN
concept-2687	24	2	,	,	PUNCT
concept-2687	24	3	members	member	NOUN
concept-2687	24	4	of	of	ADP
concept-2687	24	5	the	the	DET
concept-2687	24	6	crow	crow	NOUN
concept-2687	24	7	family	family	NOUN
concept-2687	24	8	,	,	PUNCT
concept-2687	24	9	possess	possess	VERB
concept-2687	24	10	brains	brain	NOUN
concept-2687	24	11	which	which	PRON
concept-2687	24	12	are	be	AUX
concept-2687	24	13	relatively	relatively	ADV
concept-2687	24	14	larger	large	ADJ
concept-2687	24	15	in	in	ADP
concept-2687	24	16	relation	relation	NOUN
concept-2687	24	17	to	to	ADP
concept-2687	24	18	their	their	PRON
concept-2687	24	19	body	body	NOUN
concept-2687	24	20	weight	weight	NOUN
concept-2687	24	21	than	than	ADP
concept-2687	24	22	compared	compare	VERB
concept-2687	24	23	to	to	ADP
concept-2687	24	24	most	most	ADJ
concept-2687	24	25	other	other	ADJ
concept-2687	24	26	species	specie	NOUN
concept-2687	24	27	.	.	PUNCT
concept-2687	25	1	specifically	specifically	ADV
concept-2687	25	2	,	,	PUNCT
concept-2687	25	3	the	the	DET
concept-2687	25	4	brains	brain	NOUN
concept-2687	25	5	of	of	ADP
concept-2687	25	6	nccs	ncc	NOUN
concept-2687	25	7	tend	tend	VERB
concept-2687	25	8	to	to	PART
concept-2687	25	9	contain	contain	VERB
concept-2687	25	10	larger	large	ADJ
concept-2687	25	11	mesopalliums	mesopallium	NOUN
concept-2687	25	12	,	,	PUNCT
concept-2687	25	13	pallidostriatal	pallidostriatal	ADJ
concept-2687	25	14	complexes	complex	NOUN
concept-2687	25	15	,	,	PUNCT
concept-2687	25	16	septums	septum	NOUN
concept-2687	25	17	,	,	PUNCT
concept-2687	25	18	and	and	CCONJ
concept-2687	25	19	tegmentums	tegmentum	NOUN
concept-2687	25	20	(	(	PUNCT
concept-2687	25	21	cabreraálvarez	cabreraálvarez	PROPN
concept-2687	25	22	&	&	CCONJ
concept-2687	25	23	clayton	clayton	PROPN
concept-2687	25	24	,	,	PUNCT
concept-2687	25	25	2020	2020	NUM
concept-2687	25	26	)	)	PUNCT
concept-2687	25	27	compared	compare	VERB
concept-2687	25	28	to	to	ADP
concept-2687	25	29	those	those	PRON
concept-2687	25	30	of	of	ADP
concept-2687	25	31	other	other	ADJ
concept-2687	25	32	birds	bird	NOUN
concept-2687	25	33	.	.	PUNCT
concept-2687	26	1	the	the	DET
concept-2687	26	2	pallium	pallium	NOUN
concept-2687	26	3	makes	make	VERB
concept-2687	26	4	up	up	ADP
concept-2687	26	5	about	about	ADV
concept-2687	26	6	75	75	NUM
concept-2687	26	7	%	%	NOUN
concept-2687	26	8	of	of	ADP
concept-2687	26	9	the	the	DET
concept-2687	26	10	total	total	ADJ
concept-2687	26	11	brain	brain	NOUN
concept-2687	26	12	volume	volume	NOUN
concept-2687	26	13	of	of	ADP
concept-2687	26	14	adult	adult	NOUN
concept-2687	26	15	birds	bird	NOUN
concept-2687	26	16	(	(	PUNCT
concept-2687	26	17	jarvis	jarvis	PROPN
concept-2687	26	18	et	et	PROPN
concept-2687	26	19	al	al	PROPN
concept-2687	26	20	.	.	PROPN
concept-2687	26	21	,	,	PUNCT
concept-2687	26	22	2005	2005	NUM
concept-2687	26	23	)	)	PUNCT
concept-2687	26	24	.	.	PUNCT
concept-2687	27	1	the	the	DET
concept-2687	27	2	neuroarchitecture	neuroarchitecture	NOUN
concept-2687	27	3	of	of	ADP
concept-2687	27	4	the	the	DET
concept-2687	27	5	brain	brain	NOUN
concept-2687	27	6	which	which	PRON
concept-2687	27	7	underlies	underlie	VERB
concept-2687	27	8	tool	tool	NOUN
concept-2687	27	9	using	use	VERB
concept-2687	27	10	behavior	behavior	NOUN
concept-2687	27	11	matters	matter	VERB
concept-2687	27	12	less	less	ADJ
concept-2687	27	13	than	than	ADP
concept-2687	27	14	the	the	DET
concept-2687	27	15	specific	specific	ADJ
concept-2687	27	16	subdivisions	subdivision	NOUN
concept-2687	27	17	and	and	CCONJ
concept-2687	27	18	connections	connection	NOUN
concept-2687	27	19	between	between	ADP
concept-2687	27	20	neural	neural	ADJ
concept-2687	27	21	substrates	substrate	NOUN
concept-2687	27	22	.	.	PUNCT
concept-2687	28	1	tool	tool	NOUN
concept-2687	28	2	use	use	NOUN
concept-2687	28	3	was	be	AUX
concept-2687	28	4	significant	significant	ADJ
concept-2687	28	5	in	in	ADP
concept-2687	28	6	the	the	DET
concept-2687	28	7	development	development	NOUN
concept-2687	28	8	of	of	ADP
concept-2687	28	9	higher	high	ADJ
concept-2687	28	10	-	-	PUNCT
concept-2687	28	11	order	order	NOUN
concept-2687	28	12	cognitive	cognitive	ADJ
concept-2687	28	13	faculties	faculty	NOUN
concept-2687	28	14	in	in	ADP
concept-2687	28	15	early	early	ADJ
concept-2687	28	16	humans	human	NOUN
concept-2687	28	17	.	.	PUNCT
concept-2687	29	1	research	research	NOUN
concept-2687	29	2	which	which	PRON
concept-2687	29	3	investigates	investigate	VERB
concept-2687	29	4	tool	tool	NOUN
concept-2687	29	5	use	use	NOUN
concept-2687	29	6	in	in	ADP
concept-2687	29	7	birds	bird	NOUN
concept-2687	29	8	can	can	AUX
concept-2687	29	9	test	test	VERB
concept-2687	29	10	the	the	DET
concept-2687	29	11	functions	function	NOUN
concept-2687	29	12	,	,	PUNCT
concept-2687	29	13	methods	method	NOUN
concept-2687	29	14	,	,	PUNCT
concept-2687	29	15	and	and	CCONJ
concept-2687	29	16	motivations	motivation	NOUN
concept-2687	29	17	for	for	ADP
concept-2687	29	18	tool	tool	NOUN
concept-2687	29	19	use	use	NOUN
concept-2687	29	20	which	which	PRON
concept-2687	29	21	members	member	NOUN
concept-2687	29	22	of	of	ADP
concept-2687	29	23	aves	aves	PROPN
concept-2687	29	24	has	have	AUX
concept-2687	29	25	selected	select	VERB
concept-2687	29	26	for	for	ADP
concept-2687	29	27	in	in	ADP
concept-2687	29	28	their	their	PRON
concept-2687	29	29	evolutionary	evolutionary	ADJ
concept-2687	29	30	histories	history	NOUN
concept-2687	29	31	.	.	PUNCT
concept-2687	30	1	several	several	ADJ
concept-2687	30	2	orders	order	NOUN
concept-2687	30	3	of	of	ADP
concept-2687	30	4	aves	ave	NOUN
concept-2687	30	5	contain	contain	VERB
concept-2687	30	6	tool	tool	NOUN
concept-2687	30	7	-	-	PUNCT
concept-2687	30	8	using	use	VERB
concept-2687	30	9	birds	bird	NOUN
concept-2687	30	10	:	:	PUNCT
concept-2687	30	11	accipitriformes	accipitriforme	NOUN
concept-2687	30	12	(	(	PUNCT
concept-2687	30	13	diurnal	diurnal	ADJ
concept-2687	30	14	raptors	raptor	NOUN
concept-2687	30	15	)	)	PUNCT
concept-2687	30	16	,	,	PUNCT
concept-2687	30	17	ciconiformes	ciconiforme	NOUN
concept-2687	30	18	(	(	PUNCT
concept-2687	30	19	herons	heron	NOUN
concept-2687	30	20	,	,	PUNCT
concept-2687	30	21	storks	stork	NOUN
concept-2687	30	22	)	)	PUNCT
concept-2687	30	23	,	,	PUNCT
concept-2687	30	24	psittaciformes	psittaciforme	NOUN
concept-2687	30	25	(	(	PUNCT
concept-2687	30	26	parrots	parrot	NOUN
concept-2687	30	27	,	,	PUNCT
concept-2687	30	28	macaws	macaw	NOUN
concept-2687	30	29	)	)	PUNCT
concept-2687	30	30	,	,	PUNCT
concept-2687	30	31	and	and	CCONJ
concept-2687	30	32	passeriformes	passeriforme	NOUN
concept-2687	30	33	(	(	PUNCT
concept-2687	30	34	perching	perch	VERB
concept-2687	30	35	songbirds	songbird	NOUN
concept-2687	30	36	)	)	PUNCT
concept-2687	30	37	.	.	PUNCT
concept-2687	31	1	hiroyoshi	hiroyoshi	PROPN
concept-2687	31	2	(	(	PUNCT
concept-2687	31	3	1985	1985	NUM
concept-2687	31	4	,	,	PUNCT
concept-2687	31	5	1986	1986	NUM
concept-2687	31	6	)	)	PUNCT
concept-2687	31	7	describes	describe	VERB
concept-2687	31	8	how	how	SCONJ
concept-2687	31	9	herons	heron	NOUN
concept-2687	31	10	learn	learn	VERB
concept-2687	31	11	to	to	PART
concept-2687	31	12	use	use	VERB
concept-2687	31	13	bait	bait	NOUN
concept-2687	31	14	such	such	ADJ
concept-2687	31	15	as	as	ADP
concept-2687	31	16	sticks	stick	NOUN
concept-2687	31	17	,	,	PUNCT
concept-2687	31	18	twigs	twig	NOUN
concept-2687	31	19	,	,	PUNCT
concept-2687	31	20	grass	grass	NOUN
concept-2687	31	21	,	,	PUNCT
concept-2687	31	22	leaves	leave	NOUN
concept-2687	31	23	,	,	PUNCT
concept-2687	31	24	and	and	CCONJ
concept-2687	31	25	insects	insect	NOUN
concept-2687	31	26	to	to	PART
concept-2687	31	27	lure	lure	VERB
concept-2687	31	28	fish	fish	NOUN
concept-2687	31	29	within	within	ADP
concept-2687	31	30	their	their	PRON
concept-2687	31	31	striking	striking	ADJ
concept-2687	31	32	distance	distance	NOUN
concept-2687	31	33	.	.	PUNCT
concept-2687	32	1	captive	captive	ADJ
concept-2687	32	2	macaws	macaw	NOUN
concept-2687	32	3	place	place	NOUN
concept-2687	32	4	sticks	stick	NOUN
concept-2687	32	5	within	within	ADP
concept-2687	32	6	their	their	PRON
concept-2687	32	7	beaks	beak	NOUN
concept-2687	32	8	to	to	PART
concept-2687	32	9	break	break	VERB
concept-2687	32	10	open	open	ADJ
concept-2687	32	11	nuts	nut	NOUN
concept-2687	32	12	.	.	PUNCT
concept-2687	33	1	borsori	borsori	ADV
concept-2687	33	2	and	and	CCONJ
concept-2687	33	3	ottoni	ottoni	NOUN
concept-2687	33	4	(	(	PUNCT
concept-2687	33	5	2003	2003	NUM
concept-2687	33	6	)	)	PUNCT
concept-2687	33	7	describe	describe	VERB
concept-2687	33	8	their	their	PRON
concept-2687	33	9	innate	innate	ADJ
concept-2687	33	10	tendencies	tendency	NOUN
concept-2687	33	11	to	to	PART
concept-2687	33	12	place	place	VERB
concept-2687	33	13	tools	tool	NOUN
concept-2687	33	14	and	and	CCONJ
concept-2687	33	15	food	food	NOUN
concept-2687	33	16	together	together	ADV
concept-2687	33	17	within	within	ADP
concept-2687	33	18	their	their	PRON
concept-2687	33	19	beaks	beak	NOUN
concept-2687	33	20	while	while	SCONJ
concept-2687	33	21	feeding	feeding	NOUN
concept-2687	33	22	.	.	PUNCT
concept-2687	34	1	woodpecker	woodpecker	NOUN
concept-2687	34	2	finches	finch	NOUN
concept-2687	34	3	hold	hold	VERB
concept-2687	34	4	stick	stick	NOUN
concept-2687	34	5	tools	tool	NOUN
concept-2687	34	6	within	within	ADP
concept-2687	34	7	their	their	PRON
concept-2687	34	8	beaks	beak	NOUN
concept-2687	34	9	to	to	PART
concept-2687	34	10	probe	probe	VERB
concept-2687	34	11	into	into	ADP
concept-2687	34	12	dead	dead	ADJ
concept-2687	34	13	wood	wood	NOUN
concept-2687	34	14	for	for	ADP
concept-2687	34	15	beetles	beetle	NOUN
concept-2687	34	16	(	(	PUNCT
concept-2687	34	17	tebbich	tebbich	NOUN
concept-2687	34	18	,	,	PUNCT
concept-2687	34	19	taborsky	taborsky	NOUN
concept-2687	34	20	,	,	PUNCT
concept-2687	34	21	fessl	fessl	ADJ
concept-2687	34	22	,	,	PUNCT
concept-2687	34	23	&	&	CCONJ
concept-2687	34	24	blomqvist	blomqvist	NOUN
concept-2687	34	25	,	,	PUNCT
concept-2687	34	26	2001	2001	NUM
concept-2687	34	27	)	)	PUNCT
concept-2687	34	28	.	.	PUNCT
concept-2687	35	1	studies	study	NOUN
concept-2687	35	2	of	of	ADP
concept-2687	35	3	tool	tool	NOUN
concept-2687	35	4	use	use	NOUN
concept-2687	35	5	across	across	ADP
concept-2687	35	6	psittacopasserae	psittacopasserae	NOUN
concept-2687	35	7	,	,	PUNCT
concept-2687	35	8	accipitriformes	accipitriforme	NOUN
concept-2687	35	9	,	,	PUNCT
concept-2687	35	10	and	and	CCONJ
concept-2687	35	11	ciconiformes	ciconiforme	NOUN
concept-2687	35	12	demonstrate	demonstrate	VERB
concept-2687	35	13	that	that	SCONJ
concept-2687	35	14	nccs	ncc	NOUN
concept-2687	35	15	behave	behave	VERB
concept-2687	35	16	uniquely	uniquely	ADV
concept-2687	35	17	with	with	ADP
concept-2687	35	18	physical	physical	ADJ
concept-2687	35	19	materials	material	NOUN
concept-2687	35	20	.	.	PUNCT
concept-2687	36	1	they	they	PRON
concept-2687	36	2	have	have	AUX
concept-2687	36	3	learned	learn	VERB
concept-2687	36	4	to	to	PART
concept-2687	36	5	fashion	fashion	NOUN
concept-2687	36	6	leaf	leaf	NOUN
concept-2687	36	7	tools	tool	NOUN
concept-2687	36	8	as	as	ADP
concept-2687	36	9	an	an	DET
concept-2687	36	10	adaptive	adaptive	ADJ
concept-2687	36	11	foraging	foraging	NOUN
concept-2687	36	12	technique	technique	NOUN
concept-2687	36	13	.	.	PUNCT
concept-2687	37	1	when	when	SCONJ
concept-2687	37	2	crafting	craft	VERB
concept-2687	37	3	tools	tool	NOUN
concept-2687	37	4	,	,	PUNCT
concept-2687	37	5	nccs	nccs	PROPN
concept-2687	37	6	represent	represent	VERB
concept-2687	37	7	functional	functional	ADJ
concept-2687	37	8	and	and	CCONJ
concept-2687	37	9	social	social	ADJ
concept-2687	37	10	worlds	world	NOUN
concept-2687	37	11	.	.	PUNCT
concept-2687	38	1	corvids	corvid	NOUN
concept-2687	38	2	behave	behave	VERB
concept-2687	38	3	as	as	SCONJ
concept-2687	38	4	if	if	SCONJ
concept-2687	38	5	they	they	PRON
concept-2687	38	6	perceive	perceive	VERB
concept-2687	38	7	the	the	DET
concept-2687	38	8	representations	representation	NOUN
concept-2687	38	9	of	of	ADP
concept-2687	38	10	the	the	DET
concept-2687	38	11	knowledge	knowledge	NOUN
concept-2687	38	12	states	state	NOUN
concept-2687	38	13	and	and	CCONJ
concept-2687	38	14	preferences	preference	NOUN
concept-2687	38	15	of	of	ADP
concept-2687	38	16	multiple	multiple	ADJ
concept-2687	38	17	observers	observer	NOUN
concept-2687	38	18	at	at	ADP
concept-2687	38	19	a	a	DET
concept-2687	38	20	time	time	NOUN
concept-2687	38	21	.	.	PUNCT
concept-2687	39	1	3	3	NUM
concept-2687	39	2	they	they	PRON
concept-2687	39	3	seem	seem	VERB
concept-2687	39	4	to	to	PART
concept-2687	39	5	employ	employ	VERB
concept-2687	39	6	these	these	DET
concept-2687	39	7	representations	representation	NOUN
concept-2687	39	8	in	in	ADP
concept-2687	39	9	guiding	guide	VERB
concept-2687	39	10	their	their	PRON
concept-2687	39	11	decisions	decision	NOUN
concept-2687	39	12	.	.	PUNCT
concept-2687	40	1	for	for	ADP
concept-2687	40	2	instance	instance	NOUN
concept-2687	40	3	,	,	PUNCT
concept-2687	40	4	nutcrackers	nutcracker	NOUN
concept-2687	40	5	which	which	PRON
concept-2687	40	6	hear	hear	VERB
concept-2687	40	7	the	the	DET
concept-2687	40	8	noises	noise	NOUN
concept-2687	40	9	of	of	ADP
concept-2687	40	10	a	a	DET
concept-2687	40	11	nearby	nearby	ADJ
concept-2687	40	12	conspecific	conspecific	NOUN
concept-2687	40	13	are	be	AUX
concept-2687	40	14	more	more	ADV
concept-2687	40	15	likely	likely	ADJ
concept-2687	40	16	to	to	PART
concept-2687	40	17	protect	protect	VERB
concept-2687	40	18	their	their	PRON
concept-2687	40	19	caches	cache	NOUN
concept-2687	40	20	by	by	ADP
concept-2687	40	21	recaching	recache	VERB
concept-2687	40	22	or	or	CCONJ
concept-2687	40	23	by	by	ADP
concept-2687	40	24	engaging	engage	VERB
concept-2687	40	25	in	in	ADP
concept-2687	40	26	behavior	behavior	NOUN
concept-2687	40	27	which	which	PRON
concept-2687	40	28	misleads	mislead	VERB
concept-2687	40	29	their	their	PRON
concept-2687	40	30	conspecifics	conspecific	NOUN
concept-2687	40	31	.	.	PUNCT
concept-2687	41	1	by	by	ADP
concept-2687	41	2	recaching	recache	VERB
concept-2687	41	3	food	food	NOUN
concept-2687	41	4	items	item	NOUN
concept-2687	41	5	after	after	SCONJ
concept-2687	41	6	they	they	PRON
concept-2687	41	7	believe	believe	VERB
concept-2687	41	8	conspecifics	conspecific	NOUN
concept-2687	41	9	are	be	AUX
concept-2687	41	10	aware	aware	ADJ
concept-2687	41	11	of	of	ADP
concept-2687	41	12	the	the	DET
concept-2687	41	13	location	location	NOUN
concept-2687	41	14	,	,	PUNCT
concept-2687	41	15	they	they	PRON
concept-2687	41	16	behave	behave	VERB
concept-2687	41	17	as	as	SCONJ
concept-2687	41	18	if	if	SCONJ
concept-2687	41	19	they	they	PRON
concept-2687	41	20	understand	understand	VERB
concept-2687	41	21	the	the	DET
concept-2687	41	22	intentions	intention	NOUN
concept-2687	41	23	of	of	ADP
concept-2687	41	24	others	other	NOUN
concept-2687	41	25	(	(	PUNCT
concept-2687	41	26	i.e.	i.e.	X
concept-2687	41	27	,	,	PUNCT
concept-2687	41	28	that	that	SCONJ
concept-2687	41	29	others	other	NOUN
concept-2687	41	30	want	want	VERB
concept-2687	41	31	to	to	PART
concept-2687	41	32	steal	steal	VERB
concept-2687	41	33	their	their	PRON
concept-2687	41	34	hidden	hide	VERB
concept-2687	41	35	food	food	NOUN
concept-2687	41	36	)	)	PUNCT
concept-2687	41	37	.	.	PUNCT
concept-2687	42	1	nccs	nccs	PROPN
concept-2687	42	2	behave	behave	VERB
concept-2687	42	3	as	as	SCONJ
concept-2687	42	4	if	if	SCONJ
concept-2687	42	5	they	they	PRON
concept-2687	42	6	understand	understand	VERB
concept-2687	42	7	the	the	DET
concept-2687	42	8	causal	causal	ADJ
concept-2687	42	9	effects	effect	NOUN
concept-2687	42	10	of	of	ADP
concept-2687	42	11	their	their	PRON
concept-2687	42	12	tool	tool	NOUN
concept-2687	42	13	use	use	NOUN
concept-2687	42	14	.	.	PUNCT
concept-2687	43	1	this	this	DET
concept-2687	43	2	behavior	behavior	NOUN
concept-2687	43	3	offers	offer	VERB
concept-2687	43	4	support	support	NOUN
concept-2687	43	5	for	for	ADP
concept-2687	43	6	the	the	DET
concept-2687	43	7	notion	notion	NOUN
concept-2687	43	8	that	that	SCONJ
concept-2687	43	9	they	they	PRON
concept-2687	43	10	possess	possess	VERB
concept-2687	43	11	a	a	DET
concept-2687	43	12	“	"	PUNCT
concept-2687	43	13	folk	folk	NOUN
concept-2687	43	14	physics	physics	NOUN
concept-2687	43	15	.	.	PUNCT
concept-2687	43	16	”	"	PUNCT
concept-2687	44	1	observations	observation	NOUN
concept-2687	44	2	in	in	ADP
concept-2687	44	3	new	new	PROPN
concept-2687	44	4	caledonia	caledonia	PROPN
concept-2687	44	5	and	and	CCONJ
concept-2687	44	6	research	research	NOUN
concept-2687	44	7	at	at	ADP
concept-2687	44	8	oxford	oxford	PROPN
concept-2687	44	9	suggest	suggest	VERB
concept-2687	44	10	that	that	SCONJ
concept-2687	44	11	nccs	ncc	NOUN
concept-2687	44	12	possess	possess	VERB
concept-2687	44	13	a	a	DET
concept-2687	44	14	rudimentary	rudimentary	ADJ
concept-2687	44	15	form	form	NOUN
concept-2687	44	16	of	of	ADP
concept-2687	44	17	causal	causal	ADJ
concept-2687	44	18	reasoning	reasoning	NOUN
concept-2687	44	19	.	.	PUNCT
concept-2687	45	1	nccs	nccs	PROPN
concept-2687	45	2	demonstrate	demonstrate	VERB
concept-2687	45	3	flexibility	flexibility	NOUN
concept-2687	45	4	in	in	ADP
concept-2687	45	5	their	their	PRON
concept-2687	45	6	tool	tool	NOUN
concept-2687	45	7	use	use	NOUN
concept-2687	45	8	in	in	ADP
concept-2687	45	9	that	that	SCONJ
concept-2687	45	10	they	they	PRON
concept-2687	45	11	modify	modify	VERB
concept-2687	45	12	novel	novel	ADJ
concept-2687	45	13	materials	material	NOUN
concept-2687	45	14	into	into	ADP
concept-2687	45	15	functional	functional	ADJ
concept-2687	45	16	shapes	shape	NOUN
concept-2687	45	17	.	.	PUNCT
concept-2687	46	1	keefner	keefner	NOUN
concept-2687	46	2	’s	’s	PART
concept-2687	46	3	(	(	PUNCT
concept-2687	46	4	2016	2016	NUM
concept-2687	46	5	)	)	PUNCT
concept-2687	46	6	research	research	NOUN
concept-2687	46	7	indicates	indicate	VERB
concept-2687	46	8	that	that	SCONJ
concept-2687	46	9	crows	crow	NOUN
concept-2687	46	10	hide	hide	VERB
concept-2687	46	11	their	their	PRON
concept-2687	46	12	food	food	NOUN
concept-2687	46	13	differently	differently	ADV
concept-2687	46	14	when	when	SCONJ
concept-2687	46	15	in	in	ADP
concept-2687	46	16	the	the	DET
concept-2687	46	17	presence	presence	NOUN
concept-2687	46	18	of	of	ADP
concept-2687	46	19	a	a	DET
concept-2687	46	20	visual	visual	ADJ
concept-2687	46	21	or	or	CCONJ
concept-2687	46	22	auditory	auditory	ADJ
concept-2687	46	23	conspecific	conspecific	NOUN
concept-2687	46	24	.	.	PUNCT
concept-2687	47	1	crows	crow	NOUN
concept-2687	47	2	are	be	AUX
concept-2687	47	3	kleptoparasitic	kleptoparasitic	ADJ
concept-2687	47	4	,	,	PUNCT
concept-2687	47	5	meaning	mean	VERB
concept-2687	47	6	that	that	SCONJ
concept-2687	47	7	some	some	PRON
concept-2687	47	8	will	will	AUX
concept-2687	47	9	steal	steal	VERB
concept-2687	47	10	each	each	DET
concept-2687	47	11	other	other	ADJ
concept-2687	47	12	’s	’s	PART
concept-2687	47	13	food	food	NOUN
concept-2687	47	14	.	.	PUNCT
concept-2687	48	1	it	it	PRON
concept-2687	48	2	is	be	AUX
concept-2687	48	3	advantageous	advantageous	ADJ
concept-2687	48	4	that	that	PRON
concept-2687	48	5	crows	crows	AUX
concept-2687	48	6	generate	generate	VERB
concept-2687	48	7	representations	representation	NOUN
concept-2687	48	8	of	of	ADP
concept-2687	48	9	conspecifics	conspecific	NOUN
concept-2687	48	10	and	and	CCONJ
concept-2687	48	11	their	their	PRON
concept-2687	48	12	mental	mental	ADJ
concept-2687	48	13	states	state	NOUN
concept-2687	48	14	.	.	PUNCT
concept-2687	49	1	they	they	PRON
concept-2687	49	2	hide	hide	VERB
concept-2687	49	3	food	food	NOUN
concept-2687	49	4	when	when	SCONJ
concept-2687	49	5	they	they	PRON
concept-2687	49	6	know	know	VERB
concept-2687	49	7	another	another	DET
concept-2687	49	8	crow	crow	NOUN
concept-2687	49	9	is	be	AUX
concept-2687	49	10	watching	watch	VERB
concept-2687	49	11	them	they	PRON
concept-2687	49	12	.	.	PUNCT
concept-2687	50	1	emery	emery	PROPN
concept-2687	50	2	and	and	CCONJ
concept-2687	50	3	clayton	clayton	PROPN
concept-2687	50	4	(	(	PUNCT
concept-2687	50	5	2004	2004	NUM
concept-2687	50	6	)	)	PUNCT
concept-2687	50	7	propose	propose	VERB
concept-2687	50	8	that	that	SCONJ
concept-2687	50	9	natural	natural	ADJ
concept-2687	50	10	corvid	corvid	PROPN
concept-2687	50	11	caching	cache	VERB
concept-2687	50	12	behavior	behavior	NOUN
concept-2687	50	13	reveals	reveal	VERB
concept-2687	50	14	ncc	ncc	NOUN
concept-2687	50	15	prospection	prospection	NOUN
concept-2687	50	16	,	,	PUNCT
concept-2687	50	17	given	give	VERB
concept-2687	50	18	that	that	SCONJ
concept-2687	50	19	the	the	DET
concept-2687	50	20	prior	prior	ADJ
concept-2687	50	21	hiding	hiding	NOUN
concept-2687	50	22	and	and	CCONJ
concept-2687	50	23	subsequent	subsequent	ADJ
concept-2687	50	24	retrieval	retrieval	NOUN
concept-2687	50	25	of	of	ADP
concept-2687	50	26	food	food	NOUN
concept-2687	50	27	items	item	NOUN
concept-2687	50	28	necessitates	necessitate	VERB
concept-2687	50	29	a	a	DET
concept-2687	50	30	perception	perception	NOUN
concept-2687	50	31	of	of	ADP
concept-2687	50	32	temporality	temporality	NOUN
concept-2687	50	33	.	.	PUNCT
concept-2687	51	1	temporality	temporality	NOUN
concept-2687	51	2	grounds	ground	NOUN
concept-2687	51	3	cause	cause	VERB
concept-2687	51	4	and	and	CCONJ
concept-2687	51	5	effect	effect	NOUN
concept-2687	51	6	,	,	PUNCT
concept-2687	51	7	as	as	ADP
concept-2687	51	8	a	a	DET
concept-2687	51	9	sequence	sequence	NOUN
concept-2687	51	10	.	.	PUNCT
concept-2687	52	1	ncc	ncc	NOUN
concept-2687	52	2	tool	tool	NOUN
concept-2687	52	3	use	use	NOUN
concept-2687	52	4	in	in	ADP
concept-2687	52	5	the	the	DET
concept-2687	52	6	wild	wild	ADJ
concept-2687	52	7	most	most	ADJ
concept-2687	52	8	tool	tool	NOUN
concept-2687	52	9	-	-	PUNCT
concept-2687	52	10	using	use	VERB
concept-2687	52	11	birds	bird	NOUN
concept-2687	52	12	can	can	AUX
concept-2687	52	13	be	be	AUX
concept-2687	52	14	found	find	VERB
concept-2687	52	15	within	within	ADP
concept-2687	52	16	corvidae	corvidae	NOUN
concept-2687	52	17	.	.	PUNCT
concept-2687	53	1	nccs	nccs	PROPN
concept-2687	53	2	manufacture	manufacture	VERB
concept-2687	53	3	and	and	CCONJ
concept-2687	53	4	utilize	utilize	VERB
concept-2687	53	5	sticks	stick	NOUN
concept-2687	53	6	,	,	PUNCT
concept-2687	53	7	hooks	hook	NOUN
concept-2687	53	8	,	,	PUNCT
concept-2687	53	9	and	and	CCONJ
concept-2687	53	10	stepped	step	VERB
concept-2687	53	11	-	-	PUNCT
concept-2687	53	12	leaf	leaf	NOUN
concept-2687	53	13	tools	tool	NOUN
concept-2687	53	14	which	which	PRON
concept-2687	53	15	they	they	PRON
concept-2687	53	16	cut	cut	VERB
concept-2687	53	17	from	from	ADP
concept-2687	53	18	the	the	DET
concept-2687	53	19	leaves	leave	NOUN
concept-2687	53	20	of	of	ADP
concept-2687	53	21	the	the	DET
concept-2687	53	22	pandanus	pandanus	NOUN
concept-2687	53	23	plant	plant	NOUN
concept-2687	53	24	.	.	PUNCT
concept-2687	54	1	they	they	PRON
concept-2687	54	2	use	use	VERB
concept-2687	54	3	leaf	leaf	NOUN
concept-2687	54	4	tools	tool	NOUN
concept-2687	54	5	to	to	PART
concept-2687	54	6	pry	pry	VERB
concept-2687	54	7	cerambycidae	cerambycidae	VERB
concept-2687	54	8	bugs	bug	NOUN
concept-2687	54	9	out	out	ADP
concept-2687	54	10	of	of	ADP
concept-2687	54	11	the	the	DET
concept-2687	54	12	dead	dead	ADJ
concept-2687	54	13	wood	wood	NOUN
concept-2687	54	14	of	of	ADP
concept-2687	54	15	the	the	DET
concept-2687	54	16	aleutirites	aleutirite	NOUN
concept-2687	54	17	moluccanus	moluccanus	PROPN
concept-2687	54	18	tree	tree	NOUN
concept-2687	54	19	(	(	PUNCT
concept-2687	54	20	hunt	hunt	NOUN
concept-2687	54	21	,	,	PUNCT
concept-2687	54	22	2000	2000	NUM
concept-2687	54	23	)	)	PUNCT
concept-2687	54	24	.	.	PUNCT
concept-2687	55	1	observations	observation	NOUN
concept-2687	55	2	of	of	ADP
concept-2687	55	3	wild	wild	ADJ
concept-2687	55	4	ncc	ncc	NOUN
concept-2687	55	5	foraging	forage	VERB
concept-2687	55	6	behavior	behavior	NOUN
concept-2687	55	7	and	and	CCONJ
concept-2687	55	8	experiments	experiment	NOUN
concept-2687	55	9	with	with	ADP
concept-2687	55	10	captive	captive	ADJ
concept-2687	55	11	nccs	nccs	NOUN
concept-2687	55	12	support	support	VERB
concept-2687	55	13	the	the	DET
concept-2687	55	14	notion	notion	NOUN
concept-2687	55	15	that	that	SCONJ
concept-2687	55	16	nccs	ncc	VERB
concept-2687	55	17	fashion	fashion	NOUN
concept-2687	55	18	tools	tool	NOUN
concept-2687	55	19	out	out	ADP
concept-2687	55	20	of	of	ADP
concept-2687	55	21	physical	physical	ADJ
concept-2687	55	22	materials	material	NOUN
concept-2687	55	23	to	to	PART
concept-2687	55	24	meet	meet	VERB
concept-2687	55	25	a	a	DET
concept-2687	55	26	functional	functional	ADJ
concept-2687	55	27	foraging	forage	VERB
concept-2687	55	28	demand	demand	NOUN
concept-2687	55	29	.	.	PUNCT
concept-2687	56	1	wild	wild	ADJ
concept-2687	56	2	nccs	nccs	PROPN
concept-2687	56	3	create	create	VERB
concept-2687	56	4	tools	tool	NOUN
concept-2687	56	5	to	to	PART
concept-2687	56	6	extract	extract	VERB
concept-2687	56	7	larvae	larvae	NOUN
concept-2687	56	8	from	from	ADP
concept-2687	56	9	trees	tree	NOUN
concept-2687	56	10	.	.	PUNCT
concept-2687	57	1	they	they	PRON
concept-2687	57	2	prefer	prefer	VERB
concept-2687	57	3	certain	certain	ADJ
concept-2687	57	4	shapes	shape	NOUN
concept-2687	57	5	and	and	CCONJ
concept-2687	57	6	methods	method	NOUN
concept-2687	57	7	of	of	ADP
concept-2687	57	8	holding	hold	VERB
concept-2687	57	9	their	their	PRON
concept-2687	57	10	tools	tool	NOUN
concept-2687	57	11	.	.	PUNCT
concept-2687	58	1	even	even	ADV
concept-2687	58	2	in	in	ADP
concept-2687	58	3	captivity	captivity	NOUN
concept-2687	58	4	,	,	PUNCT
concept-2687	58	5	nccs	nccs	PROPN
concept-2687	58	6	can	can	AUX
concept-2687	58	7	learn	learn	VERB
concept-2687	58	8	about	about	ADP
concept-2687	58	9	tools	tool	NOUN
concept-2687	58	10	.	.	PUNCT
concept-2687	59	1	they	they	PRON
concept-2687	59	2	spontaneously	spontaneously	ADV
concept-2687	59	3	manufacture	manufacture	VERB
concept-2687	59	4	and	and	CCONJ
concept-2687	59	5	modify	modify	VERB
concept-2687	59	6	tools	tool	NOUN
concept-2687	59	7	4	4	NUM
concept-2687	59	8	without	without	ADP
concept-2687	59	9	any	any	DET
concept-2687	59	10	social	social	ADJ
concept-2687	59	11	input	input	NOUN
concept-2687	59	12	from	from	ADP
concept-2687	59	13	wild	wild	ADJ
concept-2687	59	14	birds	bird	NOUN
concept-2687	59	15	,	,	PUNCT
concept-2687	59	16	suggesting	suggest	VERB
concept-2687	59	17	that	that	SCONJ
concept-2687	59	18	tool	tool	NOUN
concept-2687	59	19	use	use	NOUN
concept-2687	59	20	may	may	AUX
concept-2687	59	21	be	be	AUX
concept-2687	59	22	innate	innate	ADJ
concept-2687	59	23	in	in	ADP
concept-2687	59	24	nccs	nccs	PROPN
concept-2687	59	25	.	.	PUNCT
concept-2687	60	1	evolution	evolution	NOUN
concept-2687	60	2	has	have	AUX
concept-2687	60	3	selected	select	VERB
concept-2687	60	4	for	for	ADP
concept-2687	60	5	the	the	DET
concept-2687	60	6	ability	ability	NOUN
concept-2687	60	7	of	of	ADP
concept-2687	60	8	crows	crow	NOUN
concept-2687	60	9	to	to	PART
concept-2687	60	10	understand	understand	VERB
concept-2687	60	11	cause	cause	NOUN
concept-2687	60	12	and	and	CCONJ
concept-2687	60	13	effect	effect	VERB
concept-2687	60	14	relationships	relationship	NOUN
concept-2687	60	15	.	.	PUNCT
concept-2687	61	1	the	the	DET
concept-2687	61	2	notion	notion	NOUN
concept-2687	61	3	that	that	SCONJ
concept-2687	61	4	corvidae	corvidae	NOUN
concept-2687	61	5	understand	understand	VERB
concept-2687	61	6	cause	cause	NOUN
concept-2687	61	7	and	and	CCONJ
concept-2687	61	8	effect	effect	NOUN
concept-2687	61	9	are	be	AUX
concept-2687	61	10	supported	support	VERB
concept-2687	61	11	by	by	ADP
concept-2687	61	12	their	their	PRON
concept-2687	61	13	goal	goal	NOUN
concept-2687	61	14	-	-	PUNCT
concept-2687	61	15	directed	direct	VERB
concept-2687	61	16	use	use	NOUN
concept-2687	61	17	of	of	ADP
concept-2687	61	18	tools	tool	NOUN
concept-2687	61	19	,	,	PUNCT
concept-2687	61	20	which	which	PRON
concept-2687	61	21	they	they	PRON
concept-2687	61	22	generally	generally	ADV
concept-2687	61	23	fashion	fashion	VERB
concept-2687	61	24	from	from	ADP
concept-2687	61	25	the	the	DET
concept-2687	61	26	leaves	leave	NOUN
concept-2687	61	27	of	of	ADP
concept-2687	61	28	the	the	DET
concept-2687	61	29	pandanus	pandanus	NOUN
concept-2687	61	30	plants	plant	NOUN
concept-2687	61	31	.	.	PUNCT
concept-2687	62	1	observations	observation	NOUN
concept-2687	62	2	of	of	ADP
concept-2687	62	3	the	the	DET
concept-2687	62	4	tools	tool	NOUN
concept-2687	62	5	nccs	ncc	NOUN
concept-2687	62	6	create	create	VERB
concept-2687	62	7	describe	describe	VERB
concept-2687	62	8	the	the	DET
concept-2687	62	9	physical	physical	ADJ
concept-2687	62	10	material	material	NOUN
concept-2687	62	11	,	,	PUNCT
concept-2687	62	12	shape	shape	NOUN
concept-2687	62	13	,	,	PUNCT
concept-2687	62	14	diameter	diameter	NOUN
concept-2687	62	15	,	,	PUNCT
concept-2687	62	16	length	length	NOUN
concept-2687	62	17	,	,	PUNCT
concept-2687	62	18	and	and	CCONJ
concept-2687	62	19	manipulation	manipulation	NOUN
concept-2687	62	20	of	of	ADP
concept-2687	62	21	manufactured	manufacture	VERB
concept-2687	62	22	objects	object	NOUN
concept-2687	62	23	.	.	PUNCT
concept-2687	63	1	hunt	hunt	NOUN
concept-2687	63	2	and	and	CCONJ
concept-2687	63	3	gray	gray	ADJ
concept-2687	63	4	(	(	PUNCT
concept-2687	63	5	2002	2002	NUM
concept-2687	63	6	;	;	PUNCT
concept-2687	63	7	2003	2003	NUM
concept-2687	63	8	;	;	PUNCT
concept-2687	63	9	2004a	2004a	NUM
concept-2687	63	10	;	;	PUNCT
concept-2687	63	11	2004b	2004b	NUM
concept-2687	63	12	)	)	PUNCT
concept-2687	63	13	collected	collect	VERB
concept-2687	63	14	5550	5550	NUM
concept-2687	63	15	ncc	ncc	NOUN
concept-2687	63	16	tools	tool	NOUN
concept-2687	63	17	from	from	ADP
concept-2687	63	18	across	across	ADP
concept-2687	63	19	new	new	PROPN
concept-2687	63	20	caledonia	caledonia	PROPN
concept-2687	63	21	,	,	PUNCT
concept-2687	63	22	in	in	ADP
concept-2687	63	23	a	a	DET
concept-2687	63	24	range	range	NOUN
concept-2687	63	25	of	of	ADP
concept-2687	63	26	altitudes	altitude	NOUN
concept-2687	63	27	.	.	PUNCT
concept-2687	64	1	next	next	ADV
concept-2687	64	2	,	,	PUNCT
concept-2687	64	3	they	they	PRON
concept-2687	64	4	traced	trace	VERB
concept-2687	64	5	the	the	DET
concept-2687	64	6	outlines	outline	NOUN
concept-2687	64	7	of	of	ADP
concept-2687	64	8	the	the	DET
concept-2687	64	9	tools	tool	NOUN
concept-2687	64	10	.	.	PUNCT
concept-2687	65	1	hunt	hunt	NOUN
concept-2687	65	2	and	and	CCONJ
concept-2687	65	3	gray	gray	PROPN
concept-2687	65	4	found	find	VERB
concept-2687	65	5	two	two	NUM
concept-2687	65	6	types	type	NOUN
concept-2687	65	7	of	of	ADP
concept-2687	65	8	tools	tool	NOUN
concept-2687	65	9	made	make	VERB
concept-2687	65	10	by	by	ADP
concept-2687	65	11	nccs	nccs	PROPN
concept-2687	65	12	:	:	PUNCT
concept-2687	65	13	stick	stick	NOUN
concept-2687	65	14	tools	tool	NOUN
concept-2687	65	15	(	(	PUNCT
concept-2687	65	16	made	make	VERB
concept-2687	65	17	from	from	ADP
concept-2687	65	18	sticks	stick	NOUN
concept-2687	65	19	,	,	PUNCT
concept-2687	65	20	twigs	twig	NOUN
concept-2687	65	21	,	,	PUNCT
concept-2687	65	22	vines	vine	NOUN
concept-2687	65	23	,	,	PUNCT
concept-2687	65	24	and	and	CCONJ
concept-2687	65	25	bamboo	bamboo	NOUN
concept-2687	65	26	)	)	PUNCT
concept-2687	65	27	,	,	PUNCT
concept-2687	65	28	and	and	CCONJ
concept-2687	65	29	leaf	leaf	NOUN
concept-2687	65	30	tools	tool	NOUN
concept-2687	65	31	(	(	PUNCT
concept-2687	65	32	made	make	VERB
concept-2687	65	33	from	from	ADP
concept-2687	65	34	the	the	DET
concept-2687	65	35	pandanus	pandanus	NOUN
concept-2687	65	36	plant	plant	NOUN
concept-2687	65	37	)	)	PUNCT
concept-2687	65	38	.	.	PUNCT
concept-2687	66	1	tracings	tracing	NOUN
concept-2687	66	2	of	of	ADP
concept-2687	66	3	stick	stick	NOUN
concept-2687	66	4	tools	tool	NOUN
concept-2687	66	5	and	and	CCONJ
concept-2687	66	6	leaf	leaf	NOUN
concept-2687	66	7	tools	tool	NOUN
concept-2687	66	8	indicate	indicate	VERB
concept-2687	66	9	three	three	NUM
concept-2687	66	10	general	general	ADJ
concept-2687	66	11	tool	tool	NOUN
concept-2687	66	12	shapes	shape	NOUN
concept-2687	66	13	:	:	PUNCT
concept-2687	66	14	wide	wide	ADJ
concept-2687	66	15	,	,	PUNCT
concept-2687	66	16	narrow	narrow	ADJ
concept-2687	66	17	,	,	PUNCT
concept-2687	66	18	and	and	CCONJ
concept-2687	66	19	stepped	step	VERB
concept-2687	66	20	.	.	PUNCT
concept-2687	67	1	stepped	step	VERB
concept-2687	67	2	tools	tool	NOUN
concept-2687	67	3	require	require	VERB
concept-2687	67	4	the	the	DET
concept-2687	67	5	most	most	ADJ
concept-2687	67	6	effort	effort	NOUN
concept-2687	67	7	to	to	PART
concept-2687	67	8	manufacture	manufacture	VERB
concept-2687	67	9	.	.	PUNCT
concept-2687	68	1	they	they	PRON
concept-2687	68	2	require	require	VERB
concept-2687	68	3	a	a	DET
concept-2687	68	4	‘	'	PUNCT
concept-2687	68	5	cut	cut	VERB
concept-2687	68	6	and	and	CCONJ
concept-2687	68	7	rip	rip	VERB
concept-2687	68	8	’	'	PUNCT
concept-2687	68	9	technique	technique	NOUN
concept-2687	68	10	to	to	PART
concept-2687	68	11	manufacture	manufacture	VERB
concept-2687	68	12	(	(	PUNCT
concept-2687	68	13	hunt	hunt	NOUN
concept-2687	68	14	,	,	PUNCT
concept-2687	68	15	2000	2000	NUM
concept-2687	68	16	)	)	PUNCT
concept-2687	68	17	.	.	PUNCT
concept-2687	69	1	the	the	DET
concept-2687	69	2	style	style	NOUN
concept-2687	69	3	of	of	ADP
concept-2687	69	4	tools	tool	NOUN
concept-2687	69	5	differed	differ	VERB
concept-2687	69	6	across	across	ADP
concept-2687	69	7	the	the	DET
concept-2687	69	8	island	island	NOUN
concept-2687	69	9	.	.	PUNCT
concept-2687	70	1	narrow	narrow	ADJ
concept-2687	70	2	tools	tool	NOUN
concept-2687	70	3	were	be	AUX
concept-2687	70	4	only	only	ADV
concept-2687	70	5	made	make	VERB
concept-2687	70	6	southeast	southeast	ADJ
concept-2687	70	7	of	of	ADP
concept-2687	70	8	grand	grand	ADJ
concept-2687	70	9	terre	terre	PROPN
concept-2687	70	10	.	.	PUNCT
concept-2687	70	11	wide	wide	ADV
concept-2687	70	12	-	-	PUNCT
concept-2687	70	13	stepped	step	VERB
concept-2687	70	14	tools	tool	NOUN
concept-2687	70	15	were	be	AUX
concept-2687	70	16	made	make	VERB
concept-2687	70	17	most	most	ADV
concept-2687	70	18	frequently	frequently	ADV
concept-2687	70	19	.	.	PUNCT
concept-2687	71	1	hunt	hunt	NOUN
concept-2687	71	2	(	(	PUNCT
concept-2687	71	3	2000	2000	NUM
concept-2687	71	4	)	)	PUNCT
concept-2687	71	5	observed	observe	VERB
concept-2687	71	6	few	few	ADJ
concept-2687	71	7	nccs	ncc	NOUN
concept-2687	71	8	which	which	PRON
concept-2687	71	9	show	show	VERB
concept-2687	71	10	a	a	DET
concept-2687	71	11	complete	complete	ADJ
concept-2687	71	12	lack	lack	NOUN
concept-2687	71	13	of	of	ADP
concept-2687	71	14	experience	experience	NOUN
concept-2687	71	15	with	with	ADP
concept-2687	71	16	tools	tool	NOUN
concept-2687	71	17	.	.	PUNCT
concept-2687	72	1	although	although	SCONJ
concept-2687	72	2	the	the	DET
concept-2687	72	3	manufacture	manufacture	NOUN
concept-2687	72	4	of	of	ADP
concept-2687	72	5	tools	tool	NOUN
concept-2687	72	6	such	such	ADJ
concept-2687	72	7	as	as	ADP
concept-2687	72	8	hooks	hook	NOUN
concept-2687	72	9	occurs	occur	VERB
concept-2687	72	10	late	late	ADV
concept-2687	72	11	in	in	ADP
concept-2687	72	12	human	human	ADJ
concept-2687	72	13	history	history	NOUN
concept-2687	72	14	(	(	PUNCT
concept-2687	72	15	hunt	hunt	NOUN
concept-2687	72	16	,	,	PUNCT
concept-2687	72	17	2000	2000	NUM
concept-2687	72	18	)	)	PUNCT
concept-2687	72	19	,	,	PUNCT
concept-2687	72	20	nccs	nccs	PROPN
concept-2687	72	21	can	can	AUX
concept-2687	72	22	already	already	ADV
concept-2687	72	23	manufacture	manufacture	VERB
concept-2687	72	24	hooks	hook	NOUN
concept-2687	72	25	.	.	PUNCT
concept-2687	73	1	hunt	hunt	NOUN
concept-2687	73	2	and	and	CCONJ
concept-2687	73	3	gray	gray	ADJ
concept-2687	73	4	(	(	PUNCT
concept-2687	73	5	2004	2004	NUM
concept-2687	73	6	)	)	PUNCT
concept-2687	73	7	report	report	VERB
concept-2687	73	8	a	a	DET
concept-2687	73	9	four	four	NUM
concept-2687	73	10	-	-	PUNCT
concept-2687	73	11	stage	stage	NOUN
concept-2687	73	12	progression	progression	NOUN
concept-2687	73	13	of	of	ADP
concept-2687	73	14	hook	hook	NOUN
concept-2687	73	15	manufacture	manufacture	NOUN
concept-2687	73	16	.	.	PUNCT
concept-2687	74	1	crows	crows	AUX
concept-2687	74	2	first	first	ADV
concept-2687	74	3	select	select	VERB
concept-2687	74	4	a	a	DET
concept-2687	74	5	fork	fork	NOUN
concept-2687	74	6	in	in	ADP
concept-2687	74	7	the	the	DET
concept-2687	74	8	branch	branch	NOUN
concept-2687	74	9	,	,	PUNCT
concept-2687	74	10	then	then	ADV
concept-2687	74	11	break	break	VERB
concept-2687	74	12	the	the	DET
concept-2687	74	13	side	side	NOUN
concept-2687	74	14	twig	twig	NOUN
concept-2687	74	15	off	off	ADP
concept-2687	74	16	,	,	PUNCT
concept-2687	74	17	and	and	CCONJ
concept-2687	74	18	break	break	VERB
concept-2687	74	19	the	the	DET
concept-2687	74	20	remaining	remain	VERB
concept-2687	74	21	twig	twig	NOUN
concept-2687	74	22	below	below	ADP
concept-2687	74	23	the	the	DET
concept-2687	74	24	junction	junction	NOUN
concept-2687	74	25	.	.	PUNCT
concept-2687	75	1	after	after	ADP
concept-2687	75	2	removing	remove	VERB
concept-2687	75	3	the	the	DET
concept-2687	75	4	leaves	leave	NOUN
concept-2687	75	5	,	,	PUNCT
concept-2687	75	6	they	they	PRON
concept-2687	75	7	have	have	AUX
concept-2687	75	8	successfully	successfully	ADV
concept-2687	75	9	sculpted	sculpt	VERB
concept-2687	75	10	a	a	DET
concept-2687	75	11	clean	clean	ADJ
concept-2687	75	12	hook	hook	NOUN
concept-2687	75	13	.	.	PUNCT
concept-2687	76	1	nccs	ncc	NOUN
concept-2687	76	2	tend	tend	VERB
concept-2687	76	3	to	to	PART
concept-2687	76	4	manufacture	manufacture	VERB
concept-2687	76	5	their	their	PRON
concept-2687	76	6	tools	tool	NOUN
concept-2687	76	7	on	on	ADP
concept-2687	76	8	the	the	DET
concept-2687	76	9	left	left	ADJ
concept-2687	76	10	edges	edge	NOUN
concept-2687	76	11	of	of	ADP
concept-2687	76	12	pandanus	pandanus	NOUN
concept-2687	76	13	leaves	leave	NOUN
concept-2687	76	14	.	.	PUNCT
concept-2687	77	1	they	they	PRON
concept-2687	77	2	prefer	prefer	VERB
concept-2687	77	3	to	to	PART
concept-2687	77	4	hold	hold	VERB
concept-2687	77	5	tools	tool	NOUN
concept-2687	77	6	beneath	beneath	ADP
concept-2687	77	7	their	their	PRON
concept-2687	77	8	left	left	ADJ
concept-2687	77	9	eye	eye	NOUN
concept-2687	77	10	.	.	PUNCT
concept-2687	78	1	critically	critically	ADV
concept-2687	78	2	,	,	PUNCT
concept-2687	78	3	hunt	hunt	NOUN
concept-2687	78	4	and	and	CCONJ
concept-2687	78	5	gray	gray	ADJ
concept-2687	78	6	(	(	PUNCT
concept-2687	78	7	2002	2002	NUM
concept-2687	78	8	;	;	PUNCT
concept-2687	78	9	2003	2003	NUM
concept-2687	78	10	;	;	PUNCT
concept-2687	78	11	2004a	2004a	NUM
concept-2687	78	12	;	;	PUNCT
concept-2687	78	13	2004b	2004b	NUM
concept-2687	78	14	)	)	PUNCT
concept-2687	78	15	observe	observe	VERB
concept-2687	78	16	how	how	SCONJ
concept-2687	78	17	nccs	nccs	NOUN
concept-2687	78	18	manufacture	manufacture	NOUN
concept-2687	78	19	tools	tool	NOUN
concept-2687	78	20	before	before	ADP
concept-2687	78	21	using	use	VERB
concept-2687	78	22	them	they	PRON
concept-2687	78	23	.	.	PUNCT
concept-2687	79	1	this	this	PRON
concept-2687	79	2	provides	provide	VERB
concept-2687	79	3	convincing	convincing	ADJ
concept-2687	79	4	evidence	evidence	NOUN
concept-2687	79	5	for	for	ADP
concept-2687	79	6	the	the	DET
concept-2687	79	7	goal	goal	NOUN
concept-2687	79	8	-	-	PUNCT
concept-2687	79	9	directed	direct	VERB
concept-2687	79	10	nature	nature	NOUN
concept-2687	79	11	of	of	ADP
concept-2687	79	12	their	their	PRON
concept-2687	79	13	tool	tool	NOUN
concept-2687	79	14	use	use	NOUN
concept-2687	79	15	.	.	PUNCT
concept-2687	80	1	tool	tool	NOUN
concept-2687	80	2	use	use	NOUN
concept-2687	80	3	provides	provide	VERB
concept-2687	80	4	nccs	nccs	ADJ
concept-2687	80	5	functional	functional	ADJ
concept-2687	80	6	advantages	advantage	NOUN
concept-2687	80	7	.	.	PUNCT
concept-2687	81	1	before	before	ADP
concept-2687	81	2	crows	crow	NOUN
concept-2687	81	3	,	,	PUNCT
concept-2687	81	4	only	only	ADV
concept-2687	81	5	humans	human	NOUN
concept-2687	81	6	were	be	AUX
concept-2687	81	7	thought	think	VERB
concept-2687	81	8	to	to	PART
concept-2687	81	9	possess	possess	VERB
concept-2687	81	10	the	the	DET
concept-2687	81	11	representational	representational	ADJ
concept-2687	81	12	,	,	PUNCT
concept-2687	81	13	sequential	sequential	ADJ
concept-2687	81	14	,	,	PUNCT
concept-2687	81	15	and	and	CCONJ
concept-2687	81	16	goal	goal	NOUN
concept-2687	81	17	-	-	PUNCT
concept-2687	81	18	driven	drive	VERB
concept-2687	81	19	ability	ability	NOUN
concept-2687	81	20	of	of	ADP
concept-2687	81	21	tool	tool	NOUN
concept-2687	81	22	manufacture	manufacture	NOUN
concept-2687	81	23	and	and	CCONJ
concept-2687	81	24	modification	modification	NOUN
concept-2687	81	25	.	.	PUNCT
concept-2687	82	1	the	the	DET
concept-2687	82	2	5	5	NUM
concept-2687	82	3	shared	share	VERB
concept-2687	82	4	use	use	NOUN
concept-2687	82	5	of	of	ADP
concept-2687	82	6	pandanus	pandanus	NOUN
concept-2687	82	7	tools	tool	NOUN
concept-2687	82	8	by	by	ADP
concept-2687	82	9	wild	wild	ADJ
concept-2687	82	10	nccs	nccs	NOUN
concept-2687	82	11	,	,	PUNCT
concept-2687	82	12	the	the	DET
concept-2687	82	13	similarity	similarity	NOUN
concept-2687	82	14	of	of	ADP
concept-2687	82	15	‘	'	PUNCT
concept-2687	82	16	cut	cut	VERB
concept-2687	82	17	and	and	CCONJ
concept-2687	82	18	rip	rip	VERB
concept-2687	82	19	’	'	PUNCT
concept-2687	82	20	methods	method	NOUN
concept-2687	82	21	,	,	PUNCT
concept-2687	82	22	and	and	CCONJ
concept-2687	82	23	the	the	DET
concept-2687	82	24	convergence	convergence	NOUN
concept-2687	82	25	of	of	ADP
concept-2687	82	26	tool	tool	NOUN
concept-2687	82	27	designs	design	NOUN
concept-2687	82	28	among	among	ADP
concept-2687	82	29	the	the	DET
concept-2687	82	30	population	population	NOUN
concept-2687	82	31	suggest	suggest	VERB
concept-2687	82	32	a	a	DET
concept-2687	82	33	common	common	ADJ
concept-2687	82	34	origin	origin	NOUN
concept-2687	82	35	among	among	ADP
concept-2687	82	36	tool	tool	NOUN
concept-2687	82	37	-	-	PUNCT
concept-2687	82	38	using	use	VERB
concept-2687	82	39	nccs	nccs	NOUN
concept-2687	82	40	.	.	PUNCT
concept-2687	83	1	tool	tool	NOUN
concept-2687	83	2	use	use	NOUN
concept-2687	83	3	by	by	ADP
concept-2687	83	4	captive	captive	ADJ
concept-2687	83	5	nccs	nccs	PROPN
concept-2687	83	6	kacelnik	kacelnik	X
concept-2687	83	7	’s	’s	PART
concept-2687	83	8	research	research	PROPN
concept-2687	83	9	laboratory	laboratory	NOUN
concept-2687	83	10	at	at	ADP
concept-2687	83	11	oxford	oxford	PROPN
concept-2687	83	12	investigates	investigate	VERB
concept-2687	83	13	the	the	DET
concept-2687	83	14	manufacture	manufacture	NOUN
concept-2687	83	15	of	of	ADP
concept-2687	83	16	complex	complex	ADJ
concept-2687	83	17	tools	tool	NOUN
concept-2687	83	18	by	by	ADP
concept-2687	83	19	captive	captive	ADJ
concept-2687	83	20	nccs	nccs	NOUN
concept-2687	83	21	.	.	PUNCT
concept-2687	84	1	their	their	PRON
concept-2687	84	2	studies	study	NOUN
concept-2687	84	3	of	of	ADP
concept-2687	84	4	ncc	ncc	NOUN
concept-2687	84	5	tool	tool	NOUN
concept-2687	84	6	manufacture	manufacture	NOUN
concept-2687	84	7	and	and	CCONJ
concept-2687	84	8	tool	tool	NOUN
concept-2687	84	9	selection	selection	NOUN
concept-2687	84	10	under	under	ADP
concept-2687	84	11	controlled	control	VERB
concept-2687	84	12	laboratory	laboratory	NOUN
concept-2687	84	13	settings	setting	NOUN
concept-2687	84	14	offer	offer	VERB
concept-2687	84	15	additional	additional	ADJ
concept-2687	84	16	support	support	NOUN
concept-2687	84	17	for	for	ADP
concept-2687	84	18	the	the	DET
concept-2687	84	19	notion	notion	NOUN
concept-2687	84	20	that	that	SCONJ
concept-2687	84	21	crows	crow	NOUN
concept-2687	84	22	may	may	AUX
concept-2687	84	23	understand	understand	VERB
concept-2687	84	24	cause	cause	NOUN
concept-2687	84	25	and	and	CCONJ
concept-2687	84	26	effect	effect	VERB
concept-2687	84	27	relations	relation	NOUN
concept-2687	84	28	.	.	PUNCT
concept-2687	85	1	weir	weir	PROPN
concept-2687	85	2	,	,	PUNCT
concept-2687	85	3	chappell	chappell	PROPN
concept-2687	85	4	,	,	PUNCT
concept-2687	85	5	and	and	CCONJ
concept-2687	85	6	kacelnik	kacelnik	X
concept-2687	85	7	(	(	PUNCT
concept-2687	85	8	2000	2000	NUM
concept-2687	85	9	)	)	PUNCT
concept-2687	85	10	describe	describe	VERB
concept-2687	85	11	how	how	SCONJ
concept-2687	85	12	a	a	DET
concept-2687	85	13	captive	captive	ADJ
concept-2687	85	14	female	female	ADJ
concept-2687	85	15	crow	crow	NOUN
concept-2687	85	16	named	name	VERB
concept-2687	85	17	betty	betty	PROPN
concept-2687	85	18	bends	bend	VERB
concept-2687	85	19	a	a	DET
concept-2687	85	20	wire	wire	NOUN
concept-2687	85	21	into	into	ADP
concept-2687	85	22	a	a	DET
concept-2687	85	23	hook	hook	NOUN
concept-2687	85	24	to	to	PART
concept-2687	85	25	lift	lift	VERB
concept-2687	85	26	a	a	DET
concept-2687	85	27	bucket	bucket	NOUN
concept-2687	85	28	out	out	ADP
concept-2687	85	29	of	of	ADP
concept-2687	85	30	a	a	DET
concept-2687	85	31	tube	tube	NOUN
concept-2687	85	32	.	.	PUNCT
concept-2687	86	1	when	when	SCONJ
concept-2687	86	2	she	she	PRON
concept-2687	86	3	lifts	lift	VERB
concept-2687	86	4	the	the	DET
concept-2687	86	5	bucket	bucket	NOUN
concept-2687	86	6	,	,	PUNCT
concept-2687	86	7	she	she	PRON
concept-2687	86	8	receives	receive	VERB
concept-2687	86	9	a	a	DET
concept-2687	86	10	food	food	NOUN
concept-2687	86	11	reward	reward	NOUN
concept-2687	86	12	.	.	PUNCT
concept-2687	87	1	in	in	ADP
concept-2687	87	2	nine	nine	NUM
concept-2687	87	3	out	out	ADP
concept-2687	87	4	of	of	ADP
concept-2687	87	5	ten	ten	NUM
concept-2687	87	6	trials	trial	NOUN
concept-2687	87	7	,	,	PUNCT
concept-2687	87	8	betty	betty	PROPN
concept-2687	87	9	bent	bend	VERB
concept-2687	87	10	a	a	DET
concept-2687	87	11	wire	wire	NOUN
concept-2687	87	12	into	into	ADP
concept-2687	87	13	a	a	DET
concept-2687	87	14	hook	hook	NOUN
concept-2687	87	15	and	and	CCONJ
concept-2687	87	16	lifted	lift	VERB
concept-2687	87	17	the	the	DET
concept-2687	87	18	bucket	bucket	NOUN
concept-2687	87	19	out	out	ADP
concept-2687	87	20	.	.	PUNCT
concept-2687	88	1	betty	betty	PROPN
concept-2687	88	2	had	have	AUX
concept-2687	88	3	seen	see	VERB
concept-2687	88	4	and	and	CCONJ
concept-2687	88	5	used	use	VERB
concept-2687	88	6	premade	premade	NOUN
concept-2687	88	7	wire	wire	NOUN
concept-2687	88	8	hooks	hook	NOUN
concept-2687	88	9	before	before	ADV
concept-2687	88	10	,	,	PUNCT
concept-2687	88	11	but	but	CCONJ
concept-2687	88	12	she	she	PRON
concept-2687	88	13	never	never	ADV
concept-2687	88	14	bent	bend	VERB
concept-2687	88	15	a	a	DET
concept-2687	88	16	wire	wire	NOUN
concept-2687	88	17	herself	herself	PRON
concept-2687	88	18	before	before	ADP
concept-2687	88	19	this	this	DET
concept-2687	88	20	test	test	NOUN
concept-2687	88	21	.	.	PUNCT
concept-2687	89	1	in	in	ADP
concept-2687	89	2	betty	betty	PROPN
concept-2687	89	3	’s	’s	PART
concept-2687	89	4	first	first	ADJ
concept-2687	89	5	trial	trial	NOUN
concept-2687	89	6	,	,	PUNCT
concept-2687	89	7	she	she	PRON
concept-2687	89	8	attempted	attempt	VERB
concept-2687	89	9	to	to	PART
concept-2687	89	10	lift	lift	VERB
concept-2687	89	11	the	the	DET
concept-2687	89	12	bucket	bucket	NOUN
concept-2687	89	13	out	out	ADP
concept-2687	89	14	of	of	ADP
concept-2687	89	15	the	the	DET
concept-2687	89	16	tube	tube	NOUN
concept-2687	89	17	with	with	ADP
concept-2687	89	18	an	an	DET
concept-2687	89	19	unbent	unbent	ADJ
concept-2687	89	20	wire	wire	NOUN
concept-2687	89	21	.	.	PUNCT
concept-2687	90	1	she	she	PRON
concept-2687	90	2	failed	fail	VERB
concept-2687	90	3	on	on	ADP
concept-2687	90	4	the	the	DET
concept-2687	90	5	first	first	ADJ
concept-2687	90	6	trial	trial	NOUN
concept-2687	90	7	.	.	PUNCT
concept-2687	91	1	on	on	ADP
concept-2687	91	2	the	the	DET
concept-2687	91	3	remaining	remain	VERB
concept-2687	91	4	nine	nine	NUM
concept-2687	91	5	trials	trial	NOUN
concept-2687	91	6	,	,	PUNCT
concept-2687	91	7	betty	betty	PROPN
concept-2687	91	8	bent	bend	VERB
concept-2687	91	9	the	the	DET
concept-2687	91	10	wire	wire	NOUN
concept-2687	91	11	into	into	ADP
concept-2687	91	12	a	a	DET
concept-2687	91	13	hook	hook	NOUN
concept-2687	91	14	and	and	CCONJ
concept-2687	91	15	lifted	lift	VERB
concept-2687	91	16	the	the	DET
concept-2687	91	17	bucket	bucket	NOUN
concept-2687	91	18	from	from	ADP
concept-2687	91	19	the	the	DET
concept-2687	91	20	tube	tube	NOUN
concept-2687	91	21	.	.	PUNCT
concept-2687	92	1	although	although	SCONJ
concept-2687	92	2	betty	betty	PROPN
concept-2687	92	3	lacked	lack	VERB
concept-2687	92	4	experience	experience	NOUN
concept-2687	92	5	modifying	modify	VERB
concept-2687	92	6	wire	wire	NOUN
concept-2687	92	7	into	into	ADP
concept-2687	92	8	hooks	hook	NOUN
concept-2687	92	9	,	,	PUNCT
concept-2687	92	10	she	she	PRON
concept-2687	92	11	spontaneously	spontaneously	ADV
concept-2687	92	12	and	and	CCONJ
concept-2687	92	13	consistently	consistently	ADV
concept-2687	92	14	bent	bent	ADJ
concept-2687	92	15	novel	novel	ADJ
concept-2687	92	16	materials	material	NOUN
concept-2687	92	17	into	into	ADP
concept-2687	92	18	hook	hook	NOUN
concept-2687	92	19	-	-	PUNCT
concept-2687	92	20	shaped	shape	VERB
concept-2687	92	21	tools	tool	NOUN
concept-2687	92	22	to	to	PART
concept-2687	92	23	solve	solve	VERB
concept-2687	92	24	a	a	DET
concept-2687	92	25	task	task	NOUN
concept-2687	92	26	.	.	PUNCT
concept-2687	93	1	in	in	ADP
concept-2687	93	2	a	a	DET
concept-2687	93	3	second	second	ADJ
concept-2687	93	4	experiment	experiment	NOUN
concept-2687	93	5	,	,	PUNCT
concept-2687	93	6	weir	weir	NOUN
concept-2687	93	7	and	and	CCONJ
concept-2687	93	8	kacelnik	kacelnik	PROPN
concept-2687	93	9	(	(	PUNCT
concept-2687	93	10	2006	2006	NUM
concept-2687	93	11	)	)	PUNCT
concept-2687	93	12	investigated	investigate	VERB
concept-2687	93	13	whether	whether	SCONJ
concept-2687	93	14	betty	betty	PROPN
concept-2687	93	15	could	could	AUX
concept-2687	93	16	unbend	unbend	VERB
concept-2687	93	17	a	a	DET
concept-2687	93	18	wire	wire	NOUN
concept-2687	93	19	in	in	ADP
concept-2687	93	20	the	the	DET
concept-2687	93	21	same	same	ADJ
concept-2687	93	22	bucket	bucket	NOUN
concept-2687	93	23	-	-	PUNCT
concept-2687	93	24	tube	tube	NOUN
concept-2687	93	25	test	test	NOUN
concept-2687	93	26	.	.	PUNCT
concept-2687	94	1	after	after	ADP
concept-2687	94	2	six	six	NUM
concept-2687	94	3	months	month	NOUN
concept-2687	94	4	without	without	ADP
concept-2687	94	5	tool	tool	NOUN
concept-2687	94	6	use	use	NOUN
concept-2687	94	7	,	,	PUNCT
concept-2687	94	8	the	the	DET
concept-2687	94	9	research	research	NOUN
concept-2687	94	10	team	team	NOUN
concept-2687	94	11	supplied	supply	VERB
concept-2687	94	12	her	she	PRON
concept-2687	94	13	with	with	ADP
concept-2687	94	14	a	a	DET
concept-2687	94	15	novel	novel	ADJ
concept-2687	94	16	tool	tool	NOUN
concept-2687	94	17	material	material	NOUN
concept-2687	94	18	.	.	PUNCT
concept-2687	95	1	though	though	SCONJ
concept-2687	95	2	she	she	PRON
concept-2687	95	3	lacked	lack	VERB
concept-2687	95	4	experience	experience	NOUN
concept-2687	95	5	unbending	unbending	ADJ
concept-2687	95	6	tools	tool	NOUN
concept-2687	95	7	,	,	PUNCT
concept-2687	95	8	betty	betty	PROPN
concept-2687	95	9	adapted	adapt	VERB
concept-2687	95	10	quickly	quickly	ADV
concept-2687	95	11	to	to	ADP
concept-2687	95	12	the	the	DET
concept-2687	95	13	new	new	ADJ
concept-2687	95	14	material	material	NOUN
concept-2687	95	15	and	and	CCONJ
concept-2687	95	16	had	have	VERB
concept-2687	95	17	a	a	DET
concept-2687	95	18	high	high	ADJ
concept-2687	95	19	level	level	NOUN
concept-2687	95	20	of	of	ADP
concept-2687	95	21	success	success	NOUN
concept-2687	95	22	unbending	unbending	ADJ
concept-2687	95	23	tools	tool	NOUN
concept-2687	95	24	.	.	PUNCT
concept-2687	96	1	given	give	VERB
concept-2687	96	2	her	her	PRON
concept-2687	96	3	ability	ability	NOUN
concept-2687	96	4	to	to	PART
concept-2687	96	5	modify	modify	VERB
concept-2687	96	6	tools	tool	NOUN
concept-2687	96	7	in	in	ADP
concept-2687	96	8	new	new	ADJ
concept-2687	96	9	ways	way	NOUN
concept-2687	96	10	depending	depend	VERB
concept-2687	96	11	on	on	ADP
concept-2687	96	12	her	her	PRON
concept-2687	96	13	needs	need	NOUN
concept-2687	96	14	,	,	PUNCT
concept-2687	96	15	and	and	CCONJ
concept-2687	96	16	her	her	PRON
concept-2687	96	17	performance	performance	NOUN
concept-2687	96	18	on	on	ADP
concept-2687	96	19	trial	trial	NOUN
concept-2687	96	20	one	one	NUM
concept-2687	96	21	,	,	PUNCT
concept-2687	96	22	weir	weir	PROPN
concept-2687	96	23	and	and	CCONJ
concept-2687	96	24	kacelnik	kacelnik	PROPN
concept-2687	96	25	concluded	conclude	VERB
concept-2687	96	26	that	that	SCONJ
concept-2687	96	27	betty	betty	PROPN
concept-2687	96	28	likely	likely	ADV
concept-2687	96	29	understood	understand	VERB
concept-2687	96	30	aspects	aspect	NOUN
concept-2687	96	31	of	of	ADP
concept-2687	96	32	the	the	DET
concept-2687	96	33	bucket	bucket	NOUN
concept-2687	96	34	-	-	PUNCT
concept-2687	96	35	tube	tube	NOUN
concept-2687	96	36	task	task	NOUN
concept-2687	96	37	and	and	CCONJ
concept-2687	96	38	combined	combine	VERB
concept-2687	96	39	them	they	PRON
concept-2687	96	40	with	with	ADP
concept-2687	96	41	trial	trial	NOUN
concept-2687	96	42	-	-	PUNCT
concept-2687	96	43	and	and	CCONJ
concept-2687	96	44	-	-	PUNCT
concept-2687	96	45	error	error	NOUN
concept-2687	96	46	learning	learning	NOUN
concept-2687	96	47	,	,	PUNCT
concept-2687	96	48	guided	guide	VERB
concept-2687	96	49	by	by	ADP
concept-2687	96	50	reinforcement	reinforcement	NOUN
concept-2687	96	51	.	.	PUNCT
concept-2687	97	1	they	they	PRON
concept-2687	97	2	believed	believe	VERB
concept-2687	97	3	that	that	SCONJ
concept-2687	97	4	betty	betty	PROPN
concept-2687	97	5	understood	understand	VERB
concept-2687	97	6	the	the	DET
concept-2687	97	7	causal	causal	ADJ
concept-2687	97	8	relationship	relationship	NOUN
concept-2687	97	9	between	between	ADP
concept-2687	97	10	her	her	PRON
concept-2687	97	11	tool	tool	NOUN
concept-2687	97	12	modification	modification	NOUN
concept-2687	97	13	and	and	CCONJ
concept-2687	97	14	its	its	PRON
concept-2687	97	15	resulting	result	VERB
concept-2687	97	16	function	function	NOUN
concept-2687	97	17	:	:	PUNCT
concept-2687	97	18	to	to	PART
concept-2687	97	19	pull	pull	VERB
concept-2687	97	20	the	the	DET
concept-2687	97	21	bucket	bucket	NOUN
concept-2687	97	22	upwards	upwards	ADV
concept-2687	97	23	.	.	PUNCT
concept-2687	98	1	to	to	PART
concept-2687	98	2	see	see	VERB
concept-2687	98	3	if	if	SCONJ
concept-2687	98	4	nccs	ncc	NOUN
concept-2687	98	5	inherit	inherit	VERB
concept-2687	98	6	characteristics	characteristic	NOUN
concept-2687	98	7	that	that	PRON
concept-2687	98	8	support	support	VERB
concept-2687	98	9	tool	tool	NOUN
concept-2687	98	10	making	making	NOUN
concept-2687	98	11	,	,	PUNCT
concept-2687	98	12	kenward	kenward	ADJ
concept-2687	98	13	,	,	PUNCT
concept-2687	98	14	weir	weir	PROPN
concept-2687	98	15	,	,	PUNCT
concept-2687	98	16	rutz	rutz	ADJ
concept-2687	98	17	,	,	PUNCT
concept-2687	98	18	and	and	CCONJ
concept-2687	98	19	6	6	NUM
concept-2687	98	20	kacelnik	kacelnik	NOUN
concept-2687	98	21	(	(	PUNCT
concept-2687	98	22	2005	2005	NUM
concept-2687	98	23	)	)	PUNCT
concept-2687	98	24	investigate	investigate	VERB
concept-2687	98	25	spontaneous	spontaneous	ADJ
concept-2687	98	26	tool	tool	NOUN
concept-2687	98	27	manufacture	manufacture	NOUN
concept-2687	98	28	in	in	ADP
concept-2687	98	29	four	four	NUM
concept-2687	98	30	additional	additional	ADJ
concept-2687	98	31	naïve	naïve	ADJ
concept-2687	98	32	juvenile	juvenile	ADJ
concept-2687	98	33	nccs	nccs	NOUN
concept-2687	98	34	.	.	PUNCT
concept-2687	99	1	human	human	ADJ
concept-2687	99	2	handlers	handler	NOUN
concept-2687	99	3	demonstrated	demonstrate	VERB
concept-2687	99	4	to	to	ADP
concept-2687	99	5	two	two	NUM
concept-2687	99	6	of	of	ADP
concept-2687	99	7	the	the	DET
concept-2687	99	8	birds	bird	NOUN
concept-2687	99	9	how	how	SCONJ
concept-2687	99	10	to	to	PART
concept-2687	99	11	extract	extract	VERB
concept-2687	99	12	food	food	NOUN
concept-2687	99	13	by	by	ADP
concept-2687	99	14	using	use	VERB
concept-2687	99	15	twig	twig	PROPN
concept-2687	99	16	tools	tool	NOUN
concept-2687	99	17	.	.	PUNCT
concept-2687	100	1	a	a	DET
concept-2687	100	2	second	second	ADJ
concept-2687	100	3	group	group	NOUN
concept-2687	100	4	of	of	ADP
concept-2687	100	5	two	two	NUM
concept-2687	100	6	untutored	untutored	ADJ
concept-2687	100	7	group	group	NOUN
concept-2687	100	8	of	of	ADP
concept-2687	100	9	nccs	nccs	PROPN
concept-2687	100	10	never	never	ADV
concept-2687	100	11	watched	watch	VERB
concept-2687	100	12	humans	human	NOUN
concept-2687	100	13	demonstrate	demonstrate	VERB
concept-2687	100	14	how	how	SCONJ
concept-2687	100	15	to	to	PART
concept-2687	100	16	use	use	VERB
concept-2687	100	17	twig	twig	NOUN
concept-2687	100	18	tools	tool	NOUN
concept-2687	100	19	.	.	PUNCT
concept-2687	101	1	however	however	ADV
concept-2687	101	2	,	,	PUNCT
concept-2687	101	3	all	all	DET
concept-2687	101	4	four	four	NUM
concept-2687	101	5	of	of	ADP
concept-2687	101	6	them	they	PRON
concept-2687	101	7	developed	develop	VERB
concept-2687	101	8	the	the	DET
concept-2687	101	9	ability	ability	NOUN
concept-2687	101	10	to	to	PART
concept-2687	101	11	make	make	VERB
concept-2687	101	12	twig	twig	NOUN
concept-2687	101	13	tools	tool	NOUN
concept-2687	101	14	within	within	ADP
concept-2687	101	15	the	the	DET
concept-2687	101	16	same	same	ADJ
concept-2687	101	17	developmental	developmental	ADJ
concept-2687	101	18	time	time	NOUN
concept-2687	101	19	frame	frame	NOUN
concept-2687	101	20	.	.	PUNCT
concept-2687	102	1	in	in	ADP
concept-2687	102	2	a	a	DET
concept-2687	102	3	second	second	ADJ
concept-2687	102	4	experiment	experiment	NOUN
concept-2687	102	5	,	,	PUNCT
concept-2687	102	6	experimenters	experimenter	NOUN
concept-2687	102	7	mounted	mount	VERB
concept-2687	102	8	pandanus	pandanus	NOUN
concept-2687	102	9	plants	plant	NOUN
concept-2687	102	10	in	in	ADP
concept-2687	102	11	the	the	DET
concept-2687	102	12	birds	bird	NOUN
concept-2687	102	13	’	'	PUNCT
concept-2687	102	14	enclosure	enclosure	NOUN
concept-2687	102	15	.	.	PUNCT
concept-2687	103	1	one	one	NUM
concept-2687	103	2	bird	bird	NOUN
concept-2687	103	3	,	,	PUNCT
concept-2687	103	4	corbeau	corbeau	PROPN
concept-2687	103	5	,	,	PUNCT
concept-2687	103	6	manufactured	manufacture	VERB
concept-2687	103	7	a	a	DET
concept-2687	103	8	straight	straight	ADJ
concept-2687	103	9	tool	tool	NOUN
concept-2687	103	10	from	from	ADP
concept-2687	103	11	a	a	DET
concept-2687	103	12	pandanus	pandanus	NOUN
concept-2687	103	13	leaf	leaf	NOUN
concept-2687	103	14	using	use	VERB
concept-2687	103	15	the	the	DET
concept-2687	103	16	cut	cut	VERB
concept-2687	103	17	-	-	PUNCT
concept-2687	103	18	tear	tear	NOUN
concept-2687	103	19	-	-	PUNCT
concept-2687	103	20	cut	cut	NOUN
concept-2687	103	21	method	method	NOUN
concept-2687	103	22	in	in	ADP
concept-2687	103	23	the	the	DET
concept-2687	103	24	very	very	ADV
concept-2687	103	25	first	first	ADJ
concept-2687	103	26	day	day	NOUN
concept-2687	103	27	the	the	DET
concept-2687	103	28	plants	plant	NOUN
concept-2687	103	29	were	be	AUX
concept-2687	103	30	introduced	introduce	VERB
concept-2687	103	31	.	.	PUNCT
concept-2687	104	1	the	the	DET
concept-2687	104	2	similar	similar	ADJ
concept-2687	104	3	rates	rate	NOUN
concept-2687	104	4	of	of	ADP
concept-2687	104	5	tutored	tutor	VERB
concept-2687	104	6	and	and	CCONJ
concept-2687	104	7	untutored	untutored	ADJ
concept-2687	104	8	naïve	naïve	ADJ
concept-2687	104	9	juvenile	juvenile	ADJ
concept-2687	104	10	nccs	nccs	NOUN
concept-2687	104	11	’	'	PUNCT
concept-2687	104	12	tool	tool	NOUN
concept-2687	104	13	manufacturing	manufacturing	NOUN
concept-2687	104	14	and	and	CCONJ
concept-2687	104	15	corbeau	corbeau	PROPN
concept-2687	104	16	’s	’s	PART
concept-2687	104	17	immediate	immediate	ADJ
concept-2687	104	18	intention	intention	NOUN
concept-2687	104	19	to	to	PART
concept-2687	104	20	craft	craft	VERB
concept-2687	104	21	a	a	DET
concept-2687	104	22	pandanus	pandanus	NOUN
concept-2687	104	23	tool	tool	NOUN
concept-2687	104	24	offer	offer	VERB
concept-2687	104	25	support	support	NOUN
concept-2687	104	26	for	for	ADP
concept-2687	104	27	the	the	DET
concept-2687	104	28	notion	notion	NOUN
concept-2687	104	29	that	that	SCONJ
concept-2687	104	30	the	the	DET
concept-2687	104	31	ability	ability	NOUN
concept-2687	104	32	to	to	PART
concept-2687	104	33	make	make	VERB
concept-2687	104	34	and	and	CCONJ
concept-2687	104	35	use	use	VERB
concept-2687	104	36	tools	tool	NOUN
concept-2687	104	37	is	be	AUX
concept-2687	104	38	at	at	ADP
concept-2687	104	39	least	least	ADJ
concept-2687	104	40	in	in	ADP
concept-2687	104	41	part	part	NOUN
concept-2687	104	42	innate	innate	ADJ
concept-2687	104	43	in	in	ADP
concept-2687	104	44	nccs	nccs	NOUN
concept-2687	104	45	.	.	PUNCT
concept-2687	105	1	to	to	PART
concept-2687	105	2	examine	examine	VERB
concept-2687	105	3	whether	whether	SCONJ
concept-2687	105	4	nccs	ncc	NOUN
concept-2687	105	5	actively	actively	ADV
concept-2687	105	6	search	search	VERB
concept-2687	105	7	for	for	ADP
concept-2687	105	8	their	their	PRON
concept-2687	105	9	preferred	prefer	VERB
concept-2687	105	10	tool	tool	NOUN
concept-2687	105	11	,	,	PUNCT
concept-2687	105	12	chappell	chappell	NOUN
concept-2687	105	13	and	and	CCONJ
concept-2687	105	14	kacelnik	kacelnik	X
concept-2687	105	15	(	(	PUNCT
concept-2687	105	16	2004	2004	NUM
concept-2687	105	17	)	)	PUNCT
concept-2687	105	18	offered	offer	VERB
concept-2687	105	19	two	two	NUM
concept-2687	105	20	nccs	nccs	NOUN
concept-2687	105	21	sticks	stick	NOUN
concept-2687	105	22	of	of	ADP
concept-2687	105	23	three	three	NUM
concept-2687	105	24	different	different	ADJ
concept-2687	105	25	diameters	diameter	NOUN
concept-2687	105	26	.	.	PUNCT
concept-2687	106	1	the	the	DET
concept-2687	106	2	tool	tool	PROPN
concept-2687	106	3	diameter	diameter	NOUN
concept-2687	106	4	task	task	NOUN
concept-2687	106	5	involves	involve	VERB
concept-2687	106	6	a	a	DET
concept-2687	106	7	food	food	NOUN
concept-2687	106	8	cup	cup	NOUN
concept-2687	106	9	placed	place	VERB
concept-2687	106	10	behind	behind	ADP
concept-2687	106	11	a	a	DET
concept-2687	106	12	transparent	transparent	ADJ
concept-2687	106	13	wall	wall	NOUN
concept-2687	106	14	with	with	ADP
concept-2687	106	15	a	a	DET
concept-2687	106	16	hole	hole	NOUN
concept-2687	106	17	of	of	ADP
concept-2687	106	18	variable	variable	ADJ
concept-2687	106	19	width	width	NOUN
concept-2687	106	20	.	.	PUNCT
concept-2687	107	1	a	a	DET
concept-2687	107	2	tool	tool	NOUN
concept-2687	107	3	inserted	insert	VERB
concept-2687	107	4	through	through	ADP
concept-2687	107	5	the	the	DET
concept-2687	107	6	hole	hole	NOUN
concept-2687	107	7	can	can	AUX
concept-2687	107	8	push	push	VERB
concept-2687	107	9	against	against	ADP
concept-2687	107	10	the	the	DET
concept-2687	107	11	food	food	NOUN
concept-2687	107	12	cup	cup	NOUN
concept-2687	107	13	and	and	CCONJ
concept-2687	107	14	it	it	PRON
concept-2687	107	15	will	will	AUX
concept-2687	107	16	fall	fall	VERB
concept-2687	107	17	down	down	ADP
concept-2687	107	18	a	a	DET
concept-2687	107	19	chute	chute	NOUN
concept-2687	107	20	.	.	PUNCT
concept-2687	108	1	when	when	SCONJ
concept-2687	108	2	the	the	DET
concept-2687	108	3	cup	cup	NOUN
concept-2687	108	4	falls	fall	VERB
concept-2687	108	5	,	,	PUNCT
concept-2687	108	6	the	the	DET
concept-2687	108	7	ncc	ncc	NOUN
concept-2687	108	8	receives	receive	VERB
concept-2687	108	9	the	the	DET
concept-2687	108	10	reward	reward	NOUN
concept-2687	108	11	.	.	PUNCT
concept-2687	109	1	in	in	ADP
concept-2687	109	2	“	"	PUNCT
concept-2687	109	3	none	none	NOUN
concept-2687	109	4	-	-	PUNCT
concept-2687	109	5	loose	loose	ADJ
concept-2687	109	6	”	"	PUNCT
concept-2687	109	7	trials	trial	NOUN
concept-2687	109	8	,	,	PUNCT
concept-2687	109	9	all	all	DET
concept-2687	109	10	three	three	NUM
concept-2687	109	11	sticks	stick	NOUN
concept-2687	109	12	(	(	PUNCT
concept-2687	109	13	thinnest	thin	ADJ
concept-2687	109	14	,	,	PUNCT
concept-2687	109	15	thin	thin	ADJ
concept-2687	109	16	enough	enough	ADV
concept-2687	109	17	,	,	PUNCT
concept-2687	109	18	too	too	ADV
concept-2687	109	19	thick	thick	ADJ
concept-2687	109	20	)	)	PUNCT
concept-2687	109	21	are	be	AUX
concept-2687	109	22	tied	tie	VERB
concept-2687	109	23	into	into	ADP
concept-2687	109	24	a	a	DET
concept-2687	109	25	bundle	bundle	NOUN
concept-2687	109	26	.	.	PUNCT
concept-2687	110	1	in	in	ADP
concept-2687	110	2	“	"	PUNCT
concept-2687	110	3	one	one	NUM
concept-2687	110	4	loose	loose	ADJ
concept-2687	110	5	”	"	PUNCT
concept-2687	110	6	trial	trial	NOUN
concept-2687	110	7	types	type	NOUN
concept-2687	110	8	,	,	PUNCT
concept-2687	110	9	one	one	NUM
concept-2687	110	10	stick	stick	NOUN
concept-2687	110	11	remains	remain	VERB
concept-2687	110	12	on	on	ADP
concept-2687	110	13	the	the	DET
concept-2687	110	14	table	table	NOUN
concept-2687	110	15	while	while	SCONJ
concept-2687	110	16	the	the	DET
concept-2687	110	17	other	other	ADJ
concept-2687	110	18	two	two	NUM
concept-2687	110	19	are	be	AUX
concept-2687	110	20	tied	tie	VERB
concept-2687	110	21	in	in	ADP
concept-2687	110	22	a	a	DET
concept-2687	110	23	bundle	bundle	NOUN
concept-2687	110	24	.	.	PUNCT
concept-2687	111	1	the	the	DET
concept-2687	111	2	birds	bird	NOUN
concept-2687	111	3	demonstrated	demonstrate	VERB
concept-2687	111	4	a	a	DET
concept-2687	111	5	preference	preference	NOUN
concept-2687	111	6	for	for	ADP
concept-2687	111	7	the	the	DET
concept-2687	111	8	thinnest	thin	ADJ
concept-2687	111	9	tool	tool	NOUN
concept-2687	111	10	,	,	PUNCT
concept-2687	111	11	regardless	regardless	ADV
concept-2687	111	12	of	of	ADP
concept-2687	111	13	the	the	DET
concept-2687	111	14	width	width	NOUN
concept-2687	111	15	of	of	ADP
concept-2687	111	16	the	the	DET
concept-2687	111	17	hole	hole	NOUN
concept-2687	111	18	.	.	PUNCT
concept-2687	112	1	in	in	ADP
concept-2687	112	2	experiment	experiment	NOUN
concept-2687	112	3	two	two	NUM
concept-2687	112	4	,	,	PUNCT
concept-2687	112	5	chappell	chappell	NOUN
concept-2687	112	6	and	and	CCONJ
concept-2687	112	7	kacelnik	kacelnik	X
concept-2687	112	8	(	(	PUNCT
concept-2687	112	9	2004	2004	NUM
concept-2687	112	10	)	)	PUNCT
concept-2687	112	11	presented	present	VERB
concept-2687	112	12	the	the	DET
concept-2687	112	13	birds	bird	NOUN
concept-2687	112	14	with	with	ADP
concept-2687	112	15	an	an	DET
concept-2687	112	16	oak	oak	NOUN
concept-2687	112	17	(	(	PUNCT
concept-2687	112	18	quercus	quercus	ADJ
concept-2687	112	19	robur	robur	NOUN
concept-2687	112	20	)	)	PUNCT
concept-2687	112	21	branch	branch	NOUN
concept-2687	112	22	and	and	CCONJ
concept-2687	112	23	tested	test	VERB
concept-2687	112	24	how	how	SCONJ
concept-2687	112	25	nccs	nccs	NOUN
concept-2687	112	26	which	which	PRON
concept-2687	112	27	manufactured	manufacture	VERB
concept-2687	112	28	their	their	PRON
concept-2687	112	29	own	own	ADJ
concept-2687	112	30	tools	tool	NOUN
concept-2687	112	31	would	would	AUX
concept-2687	112	32	perform	perform	VERB
concept-2687	112	33	on	on	ADP
concept-2687	112	34	the	the	DET
concept-2687	112	35	tool	tool	NOUN
concept-2687	112	36	diameter	diameter	NOUN
concept-2687	112	37	task	task	NOUN
concept-2687	112	38	.	.	PUNCT
concept-2687	113	1	the	the	DET
concept-2687	113	2	two	two	NUM
concept-2687	113	3	nccs	nccs	NOUN
concept-2687	113	4	approached	approach	VERB
concept-2687	113	5	the	the	DET
concept-2687	113	6	hole	hole	NOUN
concept-2687	113	7	and	and	CCONJ
concept-2687	113	8	inspected	inspect	VERB
concept-2687	113	9	it	it	PRON
concept-2687	113	10	before	before	ADP
concept-2687	113	11	manufacturing	manufacturing	NOUN
concept-2687	113	12	tools	tool	NOUN
concept-2687	113	13	from	from	ADP
concept-2687	113	14	the	the	DET
concept-2687	113	15	oak	oak	NOUN
concept-2687	113	16	branches	branch	NOUN
concept-2687	113	17	.	.	PUNCT
concept-2687	114	1	the	the	DET
concept-2687	114	2	two	two	NUM
concept-2687	114	3	crows	crow	NOUN
concept-2687	114	4	obtained	obtain	VERB
concept-2687	114	5	food	food	NOUN
concept-2687	114	6	successively	successively	ADV
concept-2687	114	7	on	on	ADP
concept-2687	114	8	the	the	DET
concept-2687	114	9	first	first	ADJ
concept-2687	114	10	use	use	NOUN
concept-2687	114	11	with	with	ADP
concept-2687	114	12	their	their	PRON
concept-2687	114	13	tool	tool	NOUN
concept-2687	114	14	in	in	ADP
concept-2687	114	15	27/30	27/30	NUM
concept-2687	114	16	trials	trial	NOUN
concept-2687	114	17	.	.	PUNCT
concept-2687	115	1	the	the	DET
concept-2687	115	2	two	two	NUM
concept-2687	115	3	nccs	nccs	NOUN
concept-2687	115	4	manufactured	manufacture	VERB
concept-2687	115	5	tools	tool	NOUN
concept-2687	115	6	according	accord	VERB
concept-2687	115	7	to	to	ADP
concept-2687	115	8	the	the	DET
concept-2687	115	9	width	width	NOUN
concept-2687	115	10	of	of	ADP
concept-2687	115	11	the	the	DET
concept-2687	115	12	hole	hole	NOUN
concept-2687	115	13	;	;	PUNCT
concept-2687	115	14	while	while	SCONJ
concept-2687	115	15	the	the	DET
concept-2687	115	16	nccs	nccs	NOUN
concept-2687	115	17	could	could	AUX
concept-2687	115	18	always	always	ADV
concept-2687	115	19	manufacture	manufacture	VERB
concept-2687	115	20	a	a	DET
concept-2687	115	21	‘	'	PUNCT
concept-2687	115	22	thinnest	thin	ADJ
concept-2687	115	23	’	'	PUNCT
concept-2687	115	24	tool	tool	NOUN
concept-2687	115	25	,	,	PUNCT
concept-2687	115	26	they	they	PRON
concept-2687	115	27	did	do	VERB
concept-2687	115	28	not	not	PART
concept-2687	115	29	.	.	PUNCT
concept-2687	116	1	instead	instead	ADV
concept-2687	116	2	,	,	PUNCT
concept-2687	116	3	the	the	DET
concept-2687	116	4	nccs	nccs	NOUN
concept-2687	116	5	often	often	ADV
concept-2687	116	6	manufactured	manufacture	VERB
concept-2687	116	7	branch	branch	NOUN
concept-2687	116	8	tools	tool	NOUN
concept-2687	116	9	which	which	PRON
concept-2687	116	10	were	be	AUX
concept-2687	116	11	‘	'	PUNCT
concept-2687	116	12	just	just	ADV
concept-2687	116	13	right	right	ADJ
concept-2687	116	14	’	'	PUNCT
concept-2687	116	15	to	to	PART
concept-2687	116	16	fit	fit	VERB
concept-2687	116	17	in	in	ADP
concept-2687	116	18	the	the	DET
concept-2687	116	19	width	width	NOUN
concept-2687	116	20	of	of	ADP
concept-2687	116	21	the	the	DET
concept-2687	116	22	hole	hole	NOUN
concept-2687	116	23	.	.	PUNCT
concept-2687	117	1	the	the	DET
concept-2687	117	2	tool	tool	PROPN
concept-2687	117	3	diameter	diameter	NOUN
concept-2687	117	4	task	task	NOUN
concept-2687	117	5	,	,	PUNCT
concept-2687	117	6	tool	tool	NOUN
concept-2687	117	7	length	length	NOUN
concept-2687	117	8	task	task	NOUN
concept-2687	117	9	,	,	PUNCT
concept-2687	117	10	and	and	CCONJ
concept-2687	117	11	trap	trap	VERB
concept-2687	117	12	7	7	NUM
concept-2687	117	13	tube	tube	NOUN
concept-2687	117	14	test	test	NOUN
concept-2687	117	15	have	have	AUX
concept-2687	117	16	shed	shed	VERB
concept-2687	117	17	light	light	NOUN
concept-2687	117	18	on	on	ADP
concept-2687	117	19	the	the	DET
concept-2687	117	20	tool	tool	NOUN
concept-2687	117	21	preferences	preference	NOUN
concept-2687	117	22	of	of	ADP
concept-2687	117	23	nccs	nccs	NOUN
concept-2687	117	24	.	.	PUNCT
concept-2687	118	1	one	one	PRON
concept-2687	118	2	can	can	AUX
concept-2687	118	3	infer	infer	VERB
concept-2687	118	4	that	that	DET
concept-2687	118	5	nccs	ncc	NOUN
concept-2687	118	6	dynamically	dynamically	ADV
concept-2687	118	7	select	select	VERB
concept-2687	118	8	and	and	CCONJ
concept-2687	118	9	manufacture	manufacture	VERB
concept-2687	118	10	tools	tool	NOUN
concept-2687	118	11	based	base	VERB
concept-2687	118	12	on	on	ADP
concept-2687	118	13	the	the	DET
concept-2687	118	14	needs	need	NOUN
concept-2687	118	15	of	of	ADP
concept-2687	118	16	a	a	DET
concept-2687	118	17	task	task	NOUN
concept-2687	118	18	.	.	PUNCT
concept-2687	119	1	nccs	nccs	PROPN
concept-2687	119	2	have	have	AUX
concept-2687	119	3	evolved	evolve	VERB
concept-2687	119	4	to	to	PART
concept-2687	119	5	minimize	minimize	VERB
concept-2687	119	6	the	the	DET
concept-2687	119	7	energy	energy	NOUN
concept-2687	119	8	expenditure	expenditure	NOUN
concept-2687	119	9	incurred	incur	VERB
concept-2687	119	10	during	during	ADP
concept-2687	119	11	tool	tool	NOUN
concept-2687	119	12	selection	selection	NOUN
concept-2687	119	13	and	and	CCONJ
concept-2687	119	14	manufacture	manufacture	NOUN
concept-2687	119	15	.	.	PUNCT
concept-2687	120	1	in	in	ADP
concept-2687	120	2	chappell	chappell	PROPN
concept-2687	120	3	and	and	CCONJ
concept-2687	120	4	kacelnik	kacelnik	PROPN
concept-2687	120	5	’s	’s	PART
concept-2687	120	6	(	(	PUNCT
concept-2687	120	7	2000	2000	NUM
concept-2687	120	8	)	)	PUNCT
concept-2687	120	9	tool	tool	NOUN
concept-2687	120	10	length	length	NOUN
concept-2687	120	11	task	task	PROPN
concept-2687	120	12	nccs	nccs	PROPN
concept-2687	120	13	were	be	AUX
concept-2687	120	14	offered	offer	VERB
concept-2687	120	15	a	a	DET
concept-2687	120	16	selection	selection	NOUN
concept-2687	120	17	among	among	ADP
concept-2687	120	18	a	a	DET
concept-2687	120	19	set	set	NOUN
concept-2687	120	20	of	of	ADP
concept-2687	120	21	stick	stick	NOUN
concept-2687	120	22	tools	tool	NOUN
concept-2687	120	23	with	with	ADP
concept-2687	120	24	a	a	DET
concept-2687	120	25	variety	variety	NOUN
concept-2687	120	26	of	of	ADP
concept-2687	120	27	lengths	length	NOUN
concept-2687	120	28	.	.	PUNCT
concept-2687	121	1	their	their	PRON
concept-2687	121	2	performance	performance	NOUN
concept-2687	121	3	on	on	ADP
concept-2687	121	4	a	a	DET
concept-2687	121	5	novel	novel	ADJ
concept-2687	121	6	food	food	NOUN
concept-2687	121	7	-	-	PUNCT
concept-2687	121	8	extraction	extraction	NOUN
concept-2687	121	9	test	test	NOUN
concept-2687	121	10	was	be	AUX
concept-2687	121	11	measured	measure	VERB
concept-2687	121	12	:	:	PUNCT
concept-2687	121	13	food	food	NOUN
concept-2687	121	14	was	be	AUX
concept-2687	121	15	placed	place	VERB
concept-2687	121	16	at	at	ADP
concept-2687	121	17	varying	vary	VERB
concept-2687	121	18	distances	distance	NOUN
concept-2687	121	19	within	within	ADP
concept-2687	121	20	the	the	DET
concept-2687	121	21	transparent	transparent	ADJ
concept-2687	121	22	pipe	pipe	NOUN
concept-2687	121	23	.	.	PUNCT
concept-2687	122	1	a	a	DET
concept-2687	122	2	second	second	ADJ
concept-2687	122	3	experiment	experiment	NOUN
concept-2687	122	4	even	even	ADV
concept-2687	122	5	tested	test	VERB
concept-2687	122	6	nccs	nccs	PROPN
concept-2687	122	7	choice	choice	NOUN
concept-2687	122	8	of	of	ADP
concept-2687	122	9	tool	tool	NOUN
concept-2687	122	10	length	length	NOUN
concept-2687	122	11	when	when	SCONJ
concept-2687	122	12	the	the	DET
concept-2687	122	13	transparent	transparent	ADJ
concept-2687	122	14	pipe	pipe	NOUN
concept-2687	122	15	was	be	AUX
concept-2687	122	16	outside	outside	ADP
concept-2687	122	17	of	of	ADP
concept-2687	122	18	their	their	PRON
concept-2687	122	19	visual	visual	ADJ
concept-2687	122	20	field	field	NOUN
concept-2687	122	21	.	.	PUNCT
concept-2687	123	1	chappell	chappell	PROPN
concept-2687	123	2	and	and	CCONJ
concept-2687	123	3	kacelnik	kacelnik	PROPN
concept-2687	123	4	defined	define	VERB
concept-2687	123	5	their	their	PRON
concept-2687	123	6	choice	choice	NOUN
concept-2687	123	7	of	of	ADP
concept-2687	123	8	tool	tool	NOUN
concept-2687	123	9	as	as	ADP
concept-2687	123	10	the	the	DET
concept-2687	123	11	first	first	ADJ
concept-2687	123	12	stick	stick	NOUN
concept-2687	123	13	to	to	PART
concept-2687	123	14	be	be	AUX
concept-2687	123	15	inserted	insert	VERB
concept-2687	123	16	into	into	ADP
concept-2687	123	17	the	the	DET
concept-2687	123	18	pipe	pipe	NOUN
concept-2687	123	19	.	.	PUNCT
concept-2687	124	1	most	most	ADJ
concept-2687	124	2	nccs	nccs	PROPN
concept-2687	124	3	started	start	VERB
concept-2687	124	4	these	these	DET
concept-2687	124	5	trials	trial	NOUN
concept-2687	124	6	by	by	ADP
concept-2687	124	7	approaching	approach	VERB
concept-2687	124	8	and	and	CCONJ
concept-2687	124	9	gazing	gaze	VERB
concept-2687	124	10	into	into	ADP
concept-2687	124	11	the	the	DET
concept-2687	124	12	transparent	transparent	ADJ
concept-2687	124	13	tube	tube	NOUN
concept-2687	124	14	.	.	PUNCT
concept-2687	125	1	during	during	ADP
concept-2687	125	2	testing	testing	NOUN
concept-2687	125	3	,	,	PUNCT
concept-2687	125	4	the	the	DET
concept-2687	125	5	nccs	nccs	NOUN
concept-2687	125	6	approached	approach	VERB
concept-2687	125	7	the	the	DET
concept-2687	125	8	tools	tool	NOUN
concept-2687	125	9	after	after	ADP
concept-2687	125	10	analyzing	analyze	VERB
concept-2687	125	11	the	the	DET
concept-2687	125	12	pipe	pipe	NOUN
concept-2687	125	13	.	.	PUNCT
concept-2687	126	1	they	they	PRON
concept-2687	126	2	manipulated	manipulate	VERB
concept-2687	126	3	the	the	DET
concept-2687	126	4	lengths	length	NOUN
concept-2687	126	5	of	of	ADP
concept-2687	126	6	their	their	PRON
concept-2687	126	7	tools	tool	NOUN
concept-2687	126	8	by	by	ADP
concept-2687	126	9	using	use	VERB
concept-2687	126	10	their	their	PRON
concept-2687	126	11	beak	beak	NOUN
concept-2687	126	12	to	to	PART
concept-2687	126	13	pinch	pinch	VERB
concept-2687	126	14	the	the	DET
concept-2687	126	15	tool	tool	NOUN
concept-2687	126	16	closer	close	ADV
concept-2687	126	17	to	to	ADP
concept-2687	126	18	the	the	DET
concept-2687	126	19	functional	functional	ADJ
concept-2687	126	20	side	side	NOUN
concept-2687	126	21	in	in	ADP
concept-2687	126	22	a	a	DET
concept-2687	126	23	lateral	lateral	ADJ
concept-2687	126	24	manner	manner	NOUN
concept-2687	126	25	.	.	PUNCT
concept-2687	127	1	the	the	DET
concept-2687	127	2	birds	bird	NOUN
concept-2687	127	3	demonstrated	demonstrate	VERB
concept-2687	127	4	a	a	DET
concept-2687	127	5	strong	strong	ADJ
concept-2687	127	6	preference	preference	NOUN
concept-2687	127	7	for	for	ADP
concept-2687	127	8	the	the	DET
concept-2687	127	9	longest	long	ADJ
concept-2687	127	10	tool	tool	NOUN
concept-2687	127	11	in	in	ADP
concept-2687	127	12	general	general	ADJ
concept-2687	127	13	even	even	ADV
concept-2687	127	14	though	though	SCONJ
concept-2687	127	15	they	they	PRON
concept-2687	127	16	could	could	AUX
concept-2687	127	17	have	have	AUX
concept-2687	127	18	selected	select	VERB
concept-2687	127	19	shorter	short	ADJ
concept-2687	127	20	sticks	stick	NOUN
concept-2687	127	21	and	and	CCONJ
concept-2687	127	22	retrieved	retrieve	VERB
concept-2687	127	23	the	the	DET
concept-2687	127	24	food	food	NOUN
concept-2687	127	25	if	if	SCONJ
concept-2687	127	26	they	they	PRON
concept-2687	127	27	were	be	AUX
concept-2687	127	28	willing	willing	ADJ
concept-2687	127	29	to	to	PART
concept-2687	127	30	hold	hold	VERB
concept-2687	127	31	the	the	DET
concept-2687	127	32	tool	tool	NOUN
concept-2687	127	33	by	by	ADP
concept-2687	127	34	the	the	DET
concept-2687	127	35	tip	tip	NOUN
concept-2687	127	36	and	and	CCONJ
concept-2687	127	37	stick	stick	VERB
concept-2687	127	38	their	their	PRON
concept-2687	127	39	head	head	NOUN
concept-2687	127	40	within	within	ADP
concept-2687	127	41	the	the	DET
concept-2687	127	42	tube	tube	NOUN
concept-2687	127	43	.	.	PUNCT
concept-2687	128	1	furthermore	furthermore	ADV
concept-2687	128	2	,	,	PUNCT
concept-2687	128	3	as	as	SCONJ
concept-2687	128	4	food	food	NOUN
concept-2687	128	5	was	be	AUX
concept-2687	128	6	placed	place	VERB
concept-2687	128	7	further	far	ADV
concept-2687	128	8	within	within	ADP
concept-2687	128	9	the	the	DET
concept-2687	128	10	tube	tube	NOUN
concept-2687	128	11	,	,	PUNCT
concept-2687	128	12	nccs	nccs	PROPN
concept-2687	128	13	tended	tend	VERB
concept-2687	128	14	to	to	PART
concept-2687	128	15	manufacture	manufacture	VERB
concept-2687	128	16	longer	long	ADV
concept-2687	128	17	and	and	CCONJ
concept-2687	128	18	longer	long	ADJ
concept-2687	128	19	sticks	stick	NOUN
concept-2687	128	20	.	.	PUNCT
concept-2687	129	1	this	this	PRON
concept-2687	129	2	indicates	indicate	VERB
concept-2687	129	3	that	that	SCONJ
concept-2687	129	4	nccs	ncc	NOUN
concept-2687	129	5	considered	consider	VERB
concept-2687	129	6	the	the	DET
concept-2687	129	7	functional	functional	ADJ
concept-2687	129	8	demands	demand	NOUN
concept-2687	129	9	of	of	ADP
concept-2687	129	10	their	their	PRON
concept-2687	129	11	task	task	NOUN
concept-2687	129	12	and	and	CCONJ
concept-2687	129	13	did	do	VERB
concept-2687	129	14	so	so	ADV
concept-2687	129	15	before	before	ADP
concept-2687	129	16	creating	create	VERB
concept-2687	129	17	tools	tool	NOUN
concept-2687	129	18	to	to	PART
concept-2687	129	19	help	help	VERB
concept-2687	129	20	them	they	PRON
concept-2687	129	21	achieve	achieve	VERB
concept-2687	129	22	their	their	PRON
concept-2687	129	23	goal	goal	NOUN
concept-2687	129	24	.	.	PUNCT
concept-2687	130	1	the	the	DET
concept-2687	130	2	energy	energy	NOUN
concept-2687	130	3	an	an	DET
concept-2687	130	4	ncc	ncc	NOUN
concept-2687	130	5	expends	expend	NOUN
concept-2687	130	6	in	in	ADP
concept-2687	130	7	making	make	VERB
concept-2687	130	8	and	and	CCONJ
concept-2687	130	9	transporting	transport	VERB
concept-2687	130	10	a	a	DET
concept-2687	130	11	tool	tool	NOUN
concept-2687	130	12	is	be	AUX
concept-2687	130	13	founded	found	VERB
concept-2687	130	14	in	in	ADP
concept-2687	130	15	the	the	DET
concept-2687	130	16	functional	functional	ADJ
concept-2687	130	17	demands	demand	NOUN
concept-2687	130	18	of	of	ADP
concept-2687	130	19	the	the	DET
concept-2687	130	20	task	task	NOUN
concept-2687	130	21	which	which	PRON
concept-2687	130	22	they	they	PRON
concept-2687	130	23	aim	aim	VERB
concept-2687	130	24	to	to	PART
concept-2687	130	25	solve	solve	VERB
concept-2687	130	26	;	;	PUNCT
concept-2687	130	27	they	they	PRON
concept-2687	130	28	neither	neither	CCONJ
concept-2687	130	29	waste	waste	VERB
concept-2687	130	30	their	their	PRON
concept-2687	130	31	time	time	NOUN
concept-2687	130	32	nor	nor	CCONJ
concept-2687	130	33	energy	energy	NOUN
concept-2687	130	34	in	in	ADP
concept-2687	130	35	making	make	VERB
concept-2687	130	36	a	a	DET
concept-2687	130	37	tool	tool	NOUN
concept-2687	130	38	without	without	ADP
concept-2687	130	39	a	a	DET
concept-2687	130	40	motive	motive	NOUN
concept-2687	130	41	.	.	PUNCT
concept-2687	131	1	after	after	SCONJ
concept-2687	131	2	hunt	hunt	NOUN
concept-2687	131	3	,	,	PUNCT
concept-2687	131	4	rutledge	rutledge	PROPN
concept-2687	131	5	,	,	PUNCT
concept-2687	131	6	and	and	CCONJ
concept-2687	131	7	gray	gray	ADJ
concept-2687	131	8	(	(	PUNCT
concept-2687	131	9	2006	2006	NUM
concept-2687	131	10	)	)	PUNCT
concept-2687	131	11	learned	learn	VERB
concept-2687	131	12	about	about	ADP
concept-2687	131	13	kacelnik	kacelnik	PROPN
concept-2687	131	14	’s	’s	PART
concept-2687	131	15	success	success	NOUN
concept-2687	131	16	with	with	ADP
concept-2687	131	17	betty	betty	PROPN
concept-2687	131	18	in	in	ADP
concept-2687	131	19	the	the	DET
concept-2687	131	20	tool	tool	NOUN
concept-2687	131	21	diameter	diameter	NOUN
concept-2687	131	22	task	task	NOUN
concept-2687	131	23	and	and	CCONJ
concept-2687	131	24	tool	tool	NOUN
concept-2687	131	25	length	length	NOUN
concept-2687	131	26	task	task	NOUN
concept-2687	131	27	,	,	PUNCT
concept-2687	131	28	they	they	PRON
concept-2687	131	29	tested	test	VERB
concept-2687	131	30	which	which	DET
concept-2687	131	31	cognitive	cognitive	ADJ
concept-2687	131	32	strategies	strategy	NOUN
concept-2687	131	33	wild	wild	ADJ
concept-2687	131	34	nccs	nccs	NOUN
concept-2687	131	35	use	use	NOUN
concept-2687	131	36	while	while	SCONJ
concept-2687	131	37	solving	solve	VERB
concept-2687	131	38	a	a	DET
concept-2687	131	39	similar	similar	ADJ
concept-2687	131	40	task	task	NOUN
concept-2687	131	41	.	.	PUNCT
concept-2687	132	1	they	they	PRON
concept-2687	132	2	designed	design	VERB
concept-2687	132	3	a	a	DET
concept-2687	132	4	novel	novel	ADJ
concept-2687	132	5	tool	tool	NOUN
concept-2687	132	6	length	length	NOUN
concept-2687	132	7	task	task	NOUN
concept-2687	132	8	for	for	ADP
concept-2687	132	9	wild	wild	ADJ
concept-2687	132	10	nccs	nccs	NOUN
concept-2687	132	11	foraging	forage	VERB
concept-2687	132	12	in	in	ADP
concept-2687	132	13	the	the	DET
concept-2687	132	14	island	island	NOUN
concept-2687	132	15	,	,	PUNCT
concept-2687	132	16	where	where	SCONJ
concept-2687	132	17	they	they	PRON
concept-2687	132	18	used	use	VERB
concept-2687	132	19	a	a	DET
concept-2687	132	20	transparent	transparent	ADJ
concept-2687	132	21	feeding	feeding	NOUN
concept-2687	132	22	box	box	NOUN
concept-2687	132	23	.	.	PUNCT
concept-2687	133	1	this	this	PRON
concept-2687	133	2	allowed	allow	VERB
concept-2687	133	3	them	they	PRON
concept-2687	133	4	to	to	PART
concept-2687	133	5	vary	vary	VERB
concept-2687	133	6	the	the	DET
concept-2687	133	7	depth	depth	NOUN
concept-2687	133	8	of	of	ADP
concept-2687	133	9	the	the	DET
concept-2687	133	10	hole	hole	NOUN
concept-2687	133	11	easily	easily	ADV
concept-2687	133	12	while	while	SCONJ
concept-2687	133	13	revealing	reveal	VERB
concept-2687	133	14	the	the	DET
concept-2687	133	15	extraction	extraction	NOUN
concept-2687	133	16	methods	method	NOUN
concept-2687	133	17	of	of	ADP
concept-2687	133	18	the	the	DET
concept-2687	133	19	crows	crow	NOUN
concept-2687	133	20	.	.	PUNCT
concept-2687	134	1	researchers	researcher	NOUN
concept-2687	134	2	noted	note	VERB
concept-2687	134	3	the	the	DET
concept-2687	134	4	persistence	persistence	NOUN
concept-2687	134	5	with	with	ADP
concept-2687	134	6	which	which	PRON
concept-2687	134	7	8	8	NUM
concept-2687	134	8	nccs	nccs	NOUN
concept-2687	134	9	extracted	extract	VERB
concept-2687	134	10	larvae	larvae	NOUN
concept-2687	134	11	from	from	ADP
concept-2687	134	12	the	the	DET
concept-2687	134	13	transparent	transparent	ADJ
concept-2687	134	14	feeding	feeding	NOUN
concept-2687	134	15	box	box	NOUN
concept-2687	134	16	.	.	PUNCT
concept-2687	135	1	the	the	DET
concept-2687	135	2	pair	pair	NOUN
concept-2687	135	3	of	of	ADP
concept-2687	135	4	crows	crow	NOUN
concept-2687	135	5	tended	tend	VERB
concept-2687	135	6	to	to	PART
concept-2687	135	7	make	make	VERB
concept-2687	135	8	longer	long	ADJ
concept-2687	135	9	tools	tool	NOUN
concept-2687	135	10	as	as	SCONJ
concept-2687	135	11	trials	trial	NOUN
concept-2687	135	12	progressed	progress	VERB
concept-2687	135	13	.	.	PUNCT
concept-2687	136	1	when	when	SCONJ
concept-2687	136	2	crafting	craft	VERB
concept-2687	136	3	tools	tool	NOUN
concept-2687	136	4	,	,	PUNCT
concept-2687	136	5	they	they	PRON
concept-2687	136	6	largely	largely	ADV
concept-2687	136	7	ignored	ignore	VERB
concept-2687	136	8	twigs	twig	NOUN
concept-2687	136	9	scattered	scatter	VERB
concept-2687	136	10	around	around	ADP
concept-2687	136	11	the	the	DET
concept-2687	136	12	transparent	transparent	ADJ
concept-2687	136	13	box	box	NOUN
concept-2687	136	14	in	in	ADP
concept-2687	136	15	favor	favor	NOUN
concept-2687	136	16	of	of	ADP
concept-2687	136	17	nearby	nearby	ADJ
concept-2687	136	18	pandanus	pandanus	NOUN
concept-2687	136	19	leaves	leave	NOUN
concept-2687	136	20	.	.	PUNCT
concept-2687	137	1	these	these	DET
concept-2687	137	2	wild	wild	ADJ
concept-2687	137	3	nccs	nccs	NOUN
concept-2687	137	4	used	use	VERB
concept-2687	137	5	a	a	DET
concept-2687	137	6	two	two	NUM
concept-2687	137	7	-	-	PUNCT
concept-2687	137	8	stage	stage	NOUN
concept-2687	137	9	heuristic	heuristic	ADJ
concept-2687	137	10	strategy	strategy	NOUN
concept-2687	137	11	to	to	PART
concept-2687	137	12	solve	solve	VERB
concept-2687	137	13	this	this	DET
concept-2687	137	14	test	test	NOUN
concept-2687	137	15	.	.	PUNCT
concept-2687	138	1	to	to	PART
concept-2687	138	2	manufacture	manufacture	VERB
concept-2687	138	3	an	an	DET
concept-2687	138	4	extractive	extractive	ADJ
concept-2687	138	5	foraging	forage	VERB
concept-2687	138	6	tool	tool	NOUN
concept-2687	138	7	,	,	PUNCT
concept-2687	138	8	nccs	nccs	PROPN
concept-2687	138	9	first	first	ADV
concept-2687	138	10	applied	apply	VERB
concept-2687	138	11	a	a	DET
concept-2687	138	12	default	default	NOUN
concept-2687	138	13	behavior	behavior	NOUN
concept-2687	138	14	to	to	ADP
concept-2687	138	15	a	a	DET
concept-2687	138	16	tool	tool	NOUN
concept-2687	138	17	problem	problem	NOUN
concept-2687	138	18	.	.	PUNCT
concept-2687	139	1	they	they	PRON
concept-2687	139	2	only	only	ADV
concept-2687	139	3	adapted	adapt	VERB
concept-2687	139	4	a	a	DET
concept-2687	139	5	new	new	ADJ
concept-2687	139	6	problem	problem	NOUN
concept-2687	139	7	-	-	PUNCT
concept-2687	139	8	solving	solve	VERB
concept-2687	139	9	technique	technique	NOUN
concept-2687	139	10	if	if	SCONJ
concept-2687	139	11	their	their	PRON
concept-2687	139	12	initial	initial	ADJ
concept-2687	139	13	default	default	NOUN
concept-2687	139	14	behavior	behavior	NOUN
concept-2687	139	15	failed	fail	VERB
concept-2687	139	16	.	.	PUNCT
concept-2687	140	1	the	the	DET
concept-2687	140	2	consistent	consistent	ADJ
concept-2687	140	3	use	use	NOUN
concept-2687	140	4	of	of	ADP
concept-2687	140	5	pandanus	pandanus	NOUN
concept-2687	140	6	tools	tool	NOUN
concept-2687	140	7	implies	imply	VERB
concept-2687	140	8	that	that	SCONJ
concept-2687	140	9	the	the	DET
concept-2687	140	10	pair	pair	NOUN
concept-2687	140	11	of	of	ADP
concept-2687	140	12	nccs	nccs	NOUN
concept-2687	140	13	use	use	NOUN
concept-2687	140	14	pandanus	pandanus	NOUN
concept-2687	140	15	tools	tool	NOUN
concept-2687	140	16	in	in	ADP
concept-2687	140	17	foraging	forage	VERB
concept-2687	140	18	.	.	PUNCT
concept-2687	141	1	after	after	ADP
concept-2687	141	2	trials	trial	NOUN
concept-2687	141	3	where	where	SCONJ
concept-2687	141	4	their	their	PRON
concept-2687	141	5	tools	tool	NOUN
concept-2687	141	6	were	be	AUX
concept-2687	141	7	too	too	ADV
concept-2687	141	8	short	short	ADJ
concept-2687	141	9	,	,	PUNCT
concept-2687	141	10	they	they	PRON
concept-2687	141	11	fashioned	fashion	VERB
concept-2687	141	12	a	a	DET
concept-2687	141	13	longer	long	ADJ
concept-2687	141	14	tool	tool	NOUN
concept-2687	141	15	in	in	ADP
concept-2687	141	16	the	the	DET
concept-2687	141	17	next	next	ADJ
concept-2687	141	18	trial	trial	NOUN
concept-2687	141	19	.	.	PUNCT
concept-2687	142	1	the	the	DET
concept-2687	142	2	selection	selection	NOUN
concept-2687	142	3	,	,	PUNCT
concept-2687	142	4	manufacture	manufacture	NOUN
concept-2687	142	5	,	,	PUNCT
concept-2687	142	6	and	and	CCONJ
concept-2687	142	7	modification	modification	NOUN
concept-2687	142	8	of	of	ADP
concept-2687	142	9	tools	tool	NOUN
concept-2687	142	10	requires	require	VERB
concept-2687	142	11	attention	attention	NOUN
concept-2687	142	12	.	.	PUNCT
concept-2687	143	1	it	it	PRON
concept-2687	143	2	requires	require	VERB
concept-2687	143	3	an	an	DET
concept-2687	143	4	inclination	inclination	NOUN
concept-2687	143	5	towards	towards	ADP
concept-2687	143	6	the	the	DET
concept-2687	143	7	physical	physical	ADJ
concept-2687	143	8	properties	property	NOUN
concept-2687	143	9	of	of	ADP
concept-2687	143	10	tools	tool	NOUN
concept-2687	143	11	.	.	PUNCT
concept-2687	144	1	to	to	PART
concept-2687	144	2	investigate	investigate	VERB
concept-2687	144	3	whether	whether	SCONJ
concept-2687	144	4	wild	wild	ADJ
concept-2687	144	5	nccs	nccs	NOUN
concept-2687	144	6	attend	attend	VERB
concept-2687	144	7	to	to	ADP
concept-2687	144	8	the	the	DET
concept-2687	144	9	functional	functional	ADJ
concept-2687	144	10	properties	property	NOUN
concept-2687	144	11	of	of	ADP
concept-2687	144	12	hook	hook	NOUN
concept-2687	144	13	tools	tool	NOUN
concept-2687	144	14	,	,	PUNCT
concept-2687	144	15	st	st	PROPN
concept-2687	144	16	.	.	PROPN
concept-2687	144	17	clair	clair	PROPN
concept-2687	144	18	and	and	CCONJ
concept-2687	144	19	rutz	rutz	ADJ
concept-2687	144	20	(	(	PUNCT
concept-2687	144	21	2013	2013	NUM
concept-2687	144	22	)	)	PUNCT
concept-2687	144	23	drilled	drill	VERB
concept-2687	144	24	several	several	ADJ
concept-2687	144	25	holes	hole	NOUN
concept-2687	144	26	downward	downward	ADV
concept-2687	144	27	into	into	ADP
concept-2687	144	28	a	a	DET
concept-2687	144	29	food	food	NOUN
concept-2687	144	30	log	log	NOUN
concept-2687	144	31	and	and	CCONJ
concept-2687	144	32	placed	place	VERB
concept-2687	144	33	meat	meat	NOUN
concept-2687	144	34	inside	inside	ADV
concept-2687	144	35	.	.	PUNCT
concept-2687	145	1	then	then	ADV
concept-2687	145	2	,	,	PUNCT
concept-2687	145	3	they	they	PRON
concept-2687	145	4	offered	offer	VERB
concept-2687	145	5	wild	wild	ADJ
concept-2687	145	6	nccs	nccs	NOUN
concept-2687	145	7	with	with	ADP
concept-2687	145	8	hooked	hooked	ADJ
concept-2687	145	9	tools	tool	NOUN
concept-2687	145	10	,	,	PUNCT
concept-2687	145	11	placed	place	VERB
concept-2687	145	12	in	in	ADP
concept-2687	145	13	one	one	NUM
concept-2687	145	14	of	of	ADP
concept-2687	145	15	three	three	NUM
concept-2687	145	16	orientations	orientation	NOUN
concept-2687	145	17	:	:	PUNCT
concept-2687	145	18	flat	flat	ADJ
concept-2687	145	19	on	on	ADP
concept-2687	145	20	a	a	DET
concept-2687	145	21	presentation	presentation	NOUN
concept-2687	145	22	log	log	NOUN
concept-2687	145	23	,	,	PUNCT
concept-2687	145	24	pointed	point	VERB
concept-2687	145	25	hook	hook	NOUN
concept-2687	145	26	-	-	PUNCT
concept-2687	145	27	end	end	NOUN
concept-2687	145	28	downward	downward	ADV
concept-2687	145	29	into	into	ADP
concept-2687	145	30	the	the	DET
concept-2687	145	31	presentation	presentation	NOUN
concept-2687	145	32	log	log	NOUN
concept-2687	145	33	,	,	PUNCT
concept-2687	145	34	or	or	CCONJ
concept-2687	145	35	sticking	stick	VERB
concept-2687	145	36	hook	hook	NOUN
concept-2687	145	37	-	-	PUNCT
concept-2687	145	38	end	end	NOUN
concept-2687	145	39	upwards	upwards	ADV
concept-2687	145	40	out	out	ADP
concept-2687	145	41	of	of	ADP
concept-2687	145	42	the	the	DET
concept-2687	145	43	presentation	presentation	NOUN
concept-2687	145	44	log	log	NOUN
concept-2687	145	45	.	.	PUNCT
concept-2687	146	1	after	after	ADP
concept-2687	146	2	retrieving	retrieve	VERB
concept-2687	146	3	the	the	DET
concept-2687	146	4	tool	tool	NOUN
concept-2687	146	5	from	from	ADP
concept-2687	146	6	the	the	DET
concept-2687	146	7	presentation	presentation	NOUN
concept-2687	146	8	log	log	NOUN
concept-2687	146	9	,	,	PUNCT
concept-2687	146	10	nccs	ncc	NOUN
concept-2687	146	11	transported	transport	VERB
concept-2687	146	12	the	the	DET
concept-2687	146	13	tools	tool	NOUN
concept-2687	146	14	to	to	ADP
concept-2687	146	15	the	the	DET
concept-2687	146	16	food	food	NOUN
concept-2687	146	17	log	log	NOUN
concept-2687	146	18	to	to	PART
concept-2687	146	19	use	use	VERB
concept-2687	146	20	them	they	PRON
concept-2687	146	21	.	.	PUNCT
concept-2687	147	1	birds	bird	NOUN
concept-2687	147	2	in	in	ADP
concept-2687	147	3	the	the	DET
concept-2687	147	4	hook	hook	NOUN
concept-2687	147	5	-	-	PUNCT
concept-2687	147	6	end	end	NOUN
concept-2687	147	7	-	-	PUNCT
concept-2687	147	8	up	up	ADP
concept-2687	147	9	condition	condition	NOUN
concept-2687	147	10	tended	tend	VERB
concept-2687	147	11	to	to	PART
concept-2687	147	12	reorient	reorient	VERB
concept-2687	147	13	the	the	DET
concept-2687	147	14	tool	tool	NOUN
concept-2687	147	15	so	so	SCONJ
concept-2687	147	16	that	that	SCONJ
concept-2687	147	17	the	the	DET
concept-2687	147	18	functional	functional	ADJ
concept-2687	147	19	hook	hook	NOUN
concept-2687	147	20	end	end	NOUN
concept-2687	147	21	faced	face	VERB
concept-2687	147	22	downwards	downward	NOUN
concept-2687	147	23	before	before	ADP
concept-2687	147	24	attempting	attempt	VERB
concept-2687	147	25	to	to	PART
concept-2687	147	26	extract	extract	VERB
concept-2687	147	27	meat	meat	NOUN
concept-2687	147	28	from	from	ADP
concept-2687	147	29	the	the	DET
concept-2687	147	30	log	log	NOUN
concept-2687	147	31	.	.	PUNCT
concept-2687	148	1	thus	thus	ADV
concept-2687	148	2	,	,	PUNCT
concept-2687	148	3	without	without	ADP
concept-2687	148	4	trial	trial	NOUN
concept-2687	148	5	-	-	PUNCT
concept-2687	148	6	and	and	CCONJ
concept-2687	148	7	-	-	PUNCT
concept-2687	148	8	error	error	NOUN
concept-2687	148	9	learning	learning	NOUN
concept-2687	148	10	,	,	PUNCT
concept-2687	148	11	the	the	DET
concept-2687	148	12	tool	tool	NOUN
concept-2687	148	13	-	-	PUNCT
concept-2687	148	14	using	use	VERB
concept-2687	148	15	wild	wild	ADJ
concept-2687	148	16	nccs	nccs	NOUN
concept-2687	148	17	attended	attend	VERB
concept-2687	148	18	to	to	ADP
concept-2687	148	19	the	the	DET
concept-2687	148	20	functional	functional	ADJ
concept-2687	148	21	,	,	PUNCT
concept-2687	148	22	causal	causal	ADJ
concept-2687	148	23	hook	hook	NOUN
concept-2687	148	24	property	property	NOUN
concept-2687	148	25	of	of	ADP
concept-2687	148	26	the	the	DET
concept-2687	148	27	tools	tool	NOUN
concept-2687	148	28	.	.	PUNCT
concept-2687	149	1	a	a	DET
concept-2687	149	2	comparison	comparison	NOUN
concept-2687	149	3	of	of	ADP
concept-2687	149	4	tool	tool	NOUN
concept-2687	149	5	use	use	NOUN
concept-2687	149	6	behavior	behavior	NOUN
concept-2687	149	7	within	within	ADP
concept-2687	149	8	aves	aves	PROPN
concept-2687	149	9	a	a	DET
concept-2687	149	10	comparison	comparison	NOUN
concept-2687	149	11	of	of	ADP
concept-2687	149	12	tool	tool	NOUN
concept-2687	149	13	use	use	NOUN
concept-2687	149	14	between	between	ADP
concept-2687	149	15	crows	crow	NOUN
concept-2687	149	16	and	and	CCONJ
concept-2687	149	17	other	other	ADJ
concept-2687	149	18	birds	bird	NOUN
concept-2687	149	19	who	who	PRON
concept-2687	149	20	cache	cache	VERB
concept-2687	149	21	food	food	NOUN
concept-2687	149	22	items	item	NOUN
concept-2687	149	23	reveals	reveal	VERB
concept-2687	149	24	the	the	DET
concept-2687	149	25	folk	folk	NOUN
concept-2687	149	26	physics	physics	NOUN
concept-2687	149	27	which	which	PRON
concept-2687	149	28	corvidae	corvidae	PROPN
concept-2687	149	29	possess	possess	PROPN
concept-2687	149	30	.	.	PUNCT
concept-2687	150	1	kenward	kenward	PROPN
concept-2687	150	2	et	et	PROPN
concept-2687	150	3	al	al	PROPN
concept-2687	150	4	.	.	PROPN
concept-2687	151	1	(	(	PUNCT
concept-2687	151	2	2010	2010	NUM
concept-2687	151	3	)	)	PUNCT
concept-2687	151	4	compared	compare	VERB
concept-2687	151	5	the	the	DET
concept-2687	151	6	development	development	NOUN
concept-2687	151	7	of	of	ADP
concept-2687	151	8	precursor	precursor	NOUN
concept-2687	151	9	behaviors	behavior	NOUN
concept-2687	151	10	in	in	ADP
concept-2687	151	11	crows	crow	NOUN
concept-2687	151	12	and	and	CCONJ
concept-2687	151	13	ravens	raven	VERB
concept-2687	151	14	to	to	PART
concept-2687	151	15	better	well	ADV
concept-2687	151	16	understand	understand	VERB
concept-2687	151	17	the	the	DET
concept-2687	151	18	origin	origin	NOUN
concept-2687	151	19	of	of	ADP
concept-2687	151	20	corvidae	corvidae	NOUN
concept-2687	151	21	tool	tool	NOUN
concept-2687	151	22	use	use	NOUN
concept-2687	151	23	.	.	PUNCT
concept-2687	152	1	precursor	precursor	NOUN
concept-2687	152	2	behaviors	behavior	NOUN
concept-2687	152	3	are	be	AUX
concept-2687	152	4	defined	define	VERB
concept-2687	152	5	as	as	ADP
concept-2687	152	6	when	when	SCONJ
concept-2687	152	7	a	a	DET
concept-2687	152	8	bird	bird	NOUN
concept-2687	152	9	holds	hold	VERB
concept-2687	152	10	an	an	DET
concept-2687	152	11	object	object	NOUN
concept-2687	152	12	in	in	ADP
concept-2687	152	13	its	its	PRON
concept-2687	152	14	beak	beak	NOUN
concept-2687	152	15	/	/	SYM
concept-2687	152	16	foot	foot	NOUN
concept-2687	152	17	and	and	CCONJ
concept-2687	152	18	places	place	VERB
concept-2687	152	19	it	it	PRON
concept-2687	152	20	against	against	ADP
concept-2687	152	21	another	another	DET
concept-2687	152	22	9	9	NUM
concept-2687	152	23	object	object	NOUN
concept-2687	152	24	/	/	SYM
concept-2687	152	25	substrate	substrate	NOUN
concept-2687	152	26	.	.	PUNCT
concept-2687	153	1	in	in	ADP
concept-2687	153	2	precursor	precursor	NOUN
concept-2687	153	3	behaviors	behavior	NOUN
concept-2687	153	4	,	,	PUNCT
concept-2687	153	5	birds	bird	NOUN
concept-2687	153	6	initiate	initiate	VERB
concept-2687	153	7	nonfunctional	nonfunctional	ADJ
concept-2687	153	8	object	object	NOUN
concept-2687	153	9	play	play	NOUN
concept-2687	153	10	.	.	PUNCT
concept-2687	154	1	kenward	kenward	PROPN
concept-2687	154	2	et	et	PROPN
concept-2687	154	3	al	al	PROPN
concept-2687	154	4	.	.	PROPN
concept-2687	154	5	raised	raise	VERB
concept-2687	154	6	crows	crow	NOUN
concept-2687	154	7	and	and	CCONJ
concept-2687	154	8	ravens	raven	VERB
concept-2687	154	9	with	with	ADP
concept-2687	154	10	multiple	multiple	ADJ
concept-2687	154	11	crevices	crevice	NOUN
concept-2687	154	12	and	and	CCONJ
concept-2687	154	13	substrates	substrate	NOUN
concept-2687	154	14	present	present	ADJ
concept-2687	154	15	.	.	PUNCT
concept-2687	155	1	each	each	PRON
concept-2687	155	2	of	of	ADP
concept-2687	155	3	the	the	DET
concept-2687	155	4	birds	bird	NOUN
concept-2687	155	5	developed	develop	VERB
concept-2687	155	6	tool	tool	NOUN
concept-2687	155	7	use	use	NOUN
concept-2687	155	8	at	at	ADP
concept-2687	155	9	similar	similar	ADJ
concept-2687	155	10	rates	rate	NOUN
concept-2687	155	11	.	.	PUNCT
concept-2687	156	1	some	some	DET
concept-2687	156	2	nccs	nccs	NOUN
concept-2687	156	3	were	be	AUX
concept-2687	156	4	tutored	tutor	VERB
concept-2687	156	5	in	in	ADP
concept-2687	156	6	tool	tool	NOUN
concept-2687	156	7	use	use	NOUN
concept-2687	156	8	,	,	PUNCT
concept-2687	156	9	which	which	PRON
concept-2687	156	10	involved	involve	VERB
concept-2687	156	11	poking	poke	VERB
concept-2687	156	12	a	a	DET
concept-2687	156	13	stick	stick	NOUN
concept-2687	156	14	into	into	ADP
concept-2687	156	15	a	a	DET
concept-2687	156	16	crevice	crevice	NOUN
concept-2687	156	17	/	/	SYM
concept-2687	156	18	substrate	substrate	NOUN
concept-2687	156	19	while	while	SCONJ
concept-2687	156	20	the	the	DET
concept-2687	156	21	birds	bird	NOUN
concept-2687	156	22	watched	watch	VERB
concept-2687	156	23	.	.	PUNCT
concept-2687	157	1	these	these	DET
concept-2687	157	2	tutored	tutor	VERB
concept-2687	157	3	nccs	ncc	NOUN
concept-2687	157	4	produce	produce	VERB
concept-2687	157	5	more	more	ADJ
concept-2687	157	6	tools	tool	NOUN
concept-2687	157	7	than	than	ADP
concept-2687	157	8	the	the	DET
concept-2687	157	9	untutored	untutored	ADJ
concept-2687	157	10	nccs	nccs	NOUN
concept-2687	157	11	,	,	PUNCT
concept-2687	157	12	as	as	ADV
concept-2687	157	13	well	well	ADV
concept-2687	157	14	as	as	ADP
concept-2687	157	15	the	the	DET
concept-2687	157	16	ravens	raven	NOUN
concept-2687	157	17	.	.	PUNCT
concept-2687	158	1	ravens	ravens	PROPN
concept-2687	158	2	are	be	AUX
concept-2687	158	3	caching	cache	VERB
concept-2687	158	4	corvids	corvid	NOUN
concept-2687	158	5	which	which	PRON
concept-2687	158	6	do	do	AUX
concept-2687	158	7	not	not	PART
concept-2687	158	8	use	use	VERB
concept-2687	158	9	tools	tool	NOUN
concept-2687	158	10	in	in	ADP
concept-2687	158	11	the	the	DET
concept-2687	158	12	wild	wild	NOUN
concept-2687	158	13	,	,	PUNCT
concept-2687	158	14	but	but	CCONJ
concept-2687	158	15	they	they	PRON
concept-2687	158	16	develop	develop	VERB
concept-2687	158	17	tool	tool	NOUN
concept-2687	158	18	-	-	PUNCT
concept-2687	158	19	oriented	orient	VERB
concept-2687	158	20	behaviors	behavior	NOUN
concept-2687	158	21	at	at	ADP
concept-2687	158	22	a	a	DET
concept-2687	158	23	similar	similar	ADJ
concept-2687	158	24	rate	rate	NOUN
concept-2687	158	25	to	to	PART
concept-2687	158	26	nccs	nccs	VERB
concept-2687	158	27	.	.	PUNCT
concept-2687	159	1	thus	thus	ADV
concept-2687	159	2	,	,	PUNCT
concept-2687	159	3	kenward	kenward	VERB
concept-2687	159	4	et	et	PROPN
concept-2687	159	5	al	al	PROPN
concept-2687	159	6	.	.	PROPN
concept-2687	160	1	(	(	PUNCT
concept-2687	160	2	2010	2010	NUM
concept-2687	160	3	)	)	PUNCT
concept-2687	160	4	inferred	infer	VERB
concept-2687	160	5	that	that	SCONJ
concept-2687	160	6	tool	tool	NOUN
concept-2687	160	7	use	use	NOUN
concept-2687	160	8	and	and	CCONJ
concept-2687	160	9	food	food	NOUN
concept-2687	160	10	caching	cache	VERB
concept-2687	160	11	in	in	ADP
concept-2687	160	12	corvidae	corvidae	NOUN
concept-2687	160	13	develop	develop	NOUN
concept-2687	160	14	from	from	ADP
concept-2687	160	15	the	the	DET
concept-2687	160	16	same	same	ADJ
concept-2687	160	17	precursor	precursor	NOUN
concept-2687	160	18	behaviors	behavior	NOUN
concept-2687	160	19	.	.	PUNCT
concept-2687	161	1	the	the	DET
concept-2687	161	2	tube	tube	NOUN
concept-2687	161	3	trap	trap	NOUN
concept-2687	161	4	tests	test	NOUN
concept-2687	161	5	animals	animal	NOUN
concept-2687	161	6	for	for	ADP
concept-2687	161	7	causal	causal	ADJ
concept-2687	161	8	understanding	understanding	NOUN
concept-2687	161	9	.	.	PUNCT
concept-2687	162	1	a	a	DET
concept-2687	162	2	food	food	NOUN
concept-2687	162	3	item	item	NOUN
concept-2687	162	4	is	be	AUX
concept-2687	162	5	placed	place	VERB
concept-2687	162	6	within	within	ADP
concept-2687	162	7	a	a	DET
concept-2687	162	8	horizontal	horizontal	ADJ
concept-2687	162	9	transparent	transparent	ADJ
concept-2687	162	10	tube	tube	NOUN
concept-2687	162	11	,	,	PUNCT
concept-2687	162	12	and	and	CCONJ
concept-2687	162	13	a	a	DET
concept-2687	162	14	rook	rook	NOUN
concept-2687	162	15	(	(	PUNCT
concept-2687	162	16	c.	c.	PROPN
concept-2687	162	17	frugilegus	frugilegus	PROPN
concept-2687	162	18	)	)	PUNCT
concept-2687	162	19	can	can	AUX
concept-2687	162	20	pull	pull	VERB
concept-2687	162	21	a	a	DET
concept-2687	162	22	stick	stick	NOUN
concept-2687	162	23	placed	place	VERB
concept-2687	162	24	within	within	ADP
concept-2687	162	25	the	the	DET
concept-2687	162	26	tube	tube	NOUN
concept-2687	162	27	from	from	ADP
concept-2687	162	28	either	either	DET
concept-2687	162	29	direction	direction	NOUN
concept-2687	162	30	to	to	PART
concept-2687	162	31	pry	pry	VERB
concept-2687	162	32	the	the	DET
concept-2687	162	33	food	food	NOUN
concept-2687	162	34	out	out	ADP
concept-2687	162	35	.	.	PUNCT
concept-2687	163	1	however	however	ADV
concept-2687	163	2	,	,	PUNCT
concept-2687	163	3	sometimes	sometimes	ADV
concept-2687	163	4	the	the	DET
concept-2687	163	5	bird	bird	NOUN
concept-2687	163	6	must	must	AUX
concept-2687	163	7	navigate	navigate	VERB
concept-2687	163	8	the	the	DET
concept-2687	163	9	food	food	NOUN
concept-2687	163	10	item	item	NOUN
concept-2687	163	11	around	around	ADP
concept-2687	163	12	a	a	DET
concept-2687	163	13	hole	hole	NOUN
concept-2687	163	14	‘	'	PUNCT
concept-2687	163	15	trap	trap	NOUN
concept-2687	163	16	’	'	PUNCT
concept-2687	163	17	within	within	ADP
concept-2687	163	18	the	the	DET
concept-2687	163	19	tube	tube	NOUN
concept-2687	163	20	:	:	PUNCT
concept-2687	163	21	depending	depend	VERB
concept-2687	163	22	on	on	ADP
concept-2687	163	23	which	which	DET
concept-2687	163	24	direction	direction	NOUN
concept-2687	163	25	the	the	DET
concept-2687	163	26	rook	rook	NOUN
concept-2687	163	27	pulls	pull	VERB
concept-2687	163	28	the	the	DET
concept-2687	163	29	stick	stick	NOUN
concept-2687	163	30	from	from	ADP
concept-2687	163	31	,	,	PUNCT
concept-2687	163	32	the	the	DET
concept-2687	163	33	food	food	NOUN
concept-2687	163	34	will	will	AUX
concept-2687	163	35	be	be	AUX
concept-2687	163	36	pulled	pull	VERB
concept-2687	163	37	either	either	CCONJ
concept-2687	163	38	into	into	ADP
concept-2687	163	39	the	the	DET
concept-2687	163	40	hole	hole	NOUN
concept-2687	163	41	trap	trap	NOUN
concept-2687	163	42	or	or	CCONJ
concept-2687	163	43	towards	towards	ADP
concept-2687	163	44	the	the	DET
concept-2687	163	45	rook	rook	NOUN
concept-2687	163	46	’s	’s	PART
concept-2687	163	47	hopeful	hopeful	ADJ
concept-2687	163	48	beak	beak	NOUN
concept-2687	163	49	.	.	PUNCT
concept-2687	164	1	animals	animal	NOUN
concept-2687	164	2	are	be	AUX
concept-2687	164	3	thought	think	VERB
concept-2687	164	4	to	to	PART
concept-2687	164	5	demonstrate	demonstrate	VERB
concept-2687	164	6	an	an	DET
concept-2687	164	7	understanding	understanding	NOUN
concept-2687	164	8	of	of	ADP
concept-2687	164	9	causality	causality	NOUN
concept-2687	164	10	when	when	SCONJ
concept-2687	164	11	they	they	PRON
concept-2687	164	12	do	do	AUX
concept-2687	164	13	not	not	PART
concept-2687	164	14	choose	choose	VERB
concept-2687	164	15	to	to	PART
concept-2687	164	16	avoid	avoid	VERB
concept-2687	164	17	a	a	DET
concept-2687	164	18	nonfunctional	nonfunctional	ADJ
concept-2687	164	19	trap	trap	NOUN
concept-2687	164	20	(	(	PUNCT
concept-2687	164	21	seed	seed	NOUN
concept-2687	164	22	,	,	PUNCT
concept-2687	164	23	tebbich	tebbich	NOUN
concept-2687	164	24	,	,	PUNCT
concept-2687	164	25	&	&	CCONJ
concept-2687	164	26	emery	emery	PROPN
concept-2687	164	27	2006	2006	NUM
concept-2687	164	28	)	)	PUNCT
concept-2687	164	29	.	.	PUNCT
concept-2687	165	1	eight	eight	NUM
concept-2687	165	2	naïve	naïve	ADJ
concept-2687	165	3	juvenile	juvenile	ADJ
concept-2687	165	4	rooks	rook	NOUN
concept-2687	165	5	transferred	transfer	VERB
concept-2687	165	6	their	their	PRON
concept-2687	165	7	learning	learning	NOUN
concept-2687	165	8	when	when	SCONJ
concept-2687	165	9	a	a	DET
concept-2687	165	10	singlehole	singlehole	ADJ
concept-2687	165	11	trap	trap	NOUN
concept-2687	165	12	tube	tube	NOUN
concept-2687	165	13	task	task	NOUN
concept-2687	165	14	was	be	AUX
concept-2687	165	15	flipped	flip	VERB
concept-2687	165	16	.	.	PUNCT
concept-2687	166	1	next	next	ADV
concept-2687	166	2	,	,	PUNCT
concept-2687	166	3	rooks	rook	NOUN
concept-2687	166	4	were	be	AUX
concept-2687	166	5	tested	test	VERB
concept-2687	166	6	in	in	ADP
concept-2687	166	7	modified	modify	VERB
concept-2687	166	8	tube	tube	NOUN
concept-2687	166	9	traps	trap	NOUN
concept-2687	166	10	.	.	PUNCT
concept-2687	167	1	in	in	ADP
concept-2687	167	2	a	a	DET
concept-2687	167	3	tube	tube	NOUN
concept-2687	167	4	with	with	ADP
concept-2687	167	5	two	two	NUM
concept-2687	167	6	holes	hole	NOUN
concept-2687	167	7	,	,	PUNCT
concept-2687	167	8	investigators	investigator	NOUN
concept-2687	167	9	sometimes	sometimes	ADV
concept-2687	167	10	filled	fill	VERB
concept-2687	167	11	one	one	NUM
concept-2687	167	12	of	of	ADP
concept-2687	167	13	the	the	DET
concept-2687	167	14	holes	hole	NOUN
concept-2687	167	15	so	so	SCONJ
concept-2687	167	16	that	that	SCONJ
concept-2687	167	17	the	the	DET
concept-2687	167	18	food	food	NOUN
concept-2687	167	19	could	could	AUX
concept-2687	167	20	slide	slide	VERB
concept-2687	167	21	over	over	ADP
concept-2687	167	22	it	it	PRON
concept-2687	167	23	.	.	PUNCT
concept-2687	168	1	investigators	investigator	NOUN
concept-2687	168	2	could	could	AUX
concept-2687	168	3	also	also	ADV
concept-2687	168	4	open	open	VERB
concept-2687	168	5	the	the	DET
concept-2687	168	6	bottom	bottom	NOUN
concept-2687	168	7	of	of	ADP
concept-2687	168	8	the	the	DET
concept-2687	168	9	hole	hole	NOUN
concept-2687	168	10	so	so	SCONJ
concept-2687	168	11	that	that	SCONJ
concept-2687	168	12	food	food	NOUN
concept-2687	168	13	pushed	push	VERB
concept-2687	168	14	in	in	ADV
concept-2687	168	15	would	would	AUX
concept-2687	168	16	fall	fall	VERB
concept-2687	168	17	free	free	ADJ
concept-2687	168	18	.	.	PUNCT
concept-2687	169	1	all	all	DET
concept-2687	169	2	rooks	rook	NOUN
concept-2687	169	3	transferred	transfer	VERB
concept-2687	169	4	their	their	PRON
concept-2687	169	5	learning	learning	NOUN
concept-2687	169	6	in	in	ADP
concept-2687	169	7	a	a	DET
concept-2687	169	8	modified	modify	VERB
concept-2687	169	9	trap	trap	NOUN
concept-2687	169	10	-	-	PUNCT
concept-2687	169	11	tube	tube	NOUN
concept-2687	169	12	test	test	NOUN
concept-2687	169	13	.	.	PUNCT
concept-2687	170	1	one	one	NUM
concept-2687	170	2	rook	rook	NOUN
concept-2687	170	3	,	,	PUNCT
concept-2687	170	4	guillem	guillem	PROPN
concept-2687	170	5	,	,	PUNCT
concept-2687	170	6	passed	pass	VERB
concept-2687	170	7	two	two	NUM
concept-2687	170	8	more	more	ADJ
concept-2687	170	9	transfer	transfer	NOUN
concept-2687	170	10	tests	test	NOUN
concept-2687	170	11	.	.	PUNCT
concept-2687	171	1	the	the	DET
concept-2687	171	2	transfer	transfer	NOUN
concept-2687	171	3	of	of	ADP
concept-2687	171	4	learning	learn	VERB
concept-2687	171	5	by	by	ADP
concept-2687	171	6	naïve	naïve	ADJ
concept-2687	171	7	juvenile	juvenile	ADJ
concept-2687	171	8	rooks	rook	NOUN
concept-2687	171	9	in	in	ADP
concept-2687	171	10	a	a	DET
concept-2687	171	11	causal	causal	ADJ
concept-2687	171	12	understanding	understanding	NOUN
concept-2687	171	13	test	test	NOUN
concept-2687	171	14	reflects	reflect	VERB
concept-2687	171	15	a	a	DET
concept-2687	171	16	more	more	ADV
concept-2687	171	17	general	general	ADJ
concept-2687	171	18	cognitive	cognitive	ADJ
concept-2687	171	19	ability	ability	NOUN
concept-2687	171	20	within	within	ADP
concept-2687	171	21	corvidae	corvidae	NOUN
concept-2687	171	22	(	(	PUNCT
concept-2687	171	23	tebbich	tebbich	NOUN
concept-2687	171	24	,	,	PUNCT
concept-2687	171	25	seed	seed	NOUN
concept-2687	171	26	,	,	PUNCT
concept-2687	171	27	&	&	CCONJ
concept-2687	171	28	emery	emery	PROPN
concept-2687	171	29	,	,	PUNCT
concept-2687	171	30	2007	2007	NUM
concept-2687	171	31	)	)	PUNCT
concept-2687	171	32	based	base	VERB
concept-2687	171	33	on	on	ADP
concept-2687	171	34	their	their	PRON
concept-2687	171	35	ecology	ecology	NOUN
concept-2687	171	36	.	.	PUNCT
concept-2687	172	1	the	the	DET
concept-2687	172	2	generalist	generalist	ADJ
concept-2687	172	3	nature	nature	NOUN
concept-2687	172	4	of	of	ADP
concept-2687	172	5	corvid	corvid	PROPN
concept-2687	172	6	foraging	foraging	PROPN
concept-2687	172	7	,	,	PUNCT
concept-2687	172	8	corvid	corvid	PROPN
concept-2687	172	9	sociality	sociality	NOUN
concept-2687	172	10	,	,	PUNCT
concept-2687	172	11	and	and	CCONJ
concept-2687	172	12	the	the	DET
concept-2687	172	13	highest	high	ADJ
concept-2687	172	14	rate	rate	NOUN
concept-2687	172	15	of	of	ADP
concept-2687	172	16	feeding	feed	VERB
concept-2687	172	17	innovation	innovation	NOUN
concept-2687	172	18	of	of	ADP
concept-2687	172	19	any	any	DET
concept-2687	172	20	family	family	NOUN
concept-2687	172	21	of	of	ADP
concept-2687	172	22	birds	bird	NOUN
concept-2687	172	23	contribute	contribute	VERB
concept-2687	172	24	to	to	ADP
concept-2687	172	25	these	these	DET
concept-2687	172	26	complex	complex	ADJ
concept-2687	172	27	behaviors	behavior	NOUN
concept-2687	172	28	.	.	PUNCT
concept-2687	173	1	teschke	teschke	NOUN
concept-2687	173	2	et	et	PROPN
concept-2687	173	3	al	al	PROPN
concept-2687	173	4	.	.	PROPN
concept-2687	174	1	(	(	PUNCT
concept-2687	174	2	2013	2013	NUM
concept-2687	174	3	)	)	PUNCT
concept-2687	174	4	compared	compare	VERB
concept-2687	174	5	the	the	DET
concept-2687	174	6	performance	performance	NOUN
concept-2687	174	7	of	of	ADP
concept-2687	174	8	tool	tool	NOUN
concept-2687	174	9	-	-	PUNCT
concept-2687	174	10	using	use	VERB
concept-2687	174	11	passerines	passerine	NOUN
concept-2687	174	12	nccs	nccs	PROPN
concept-2687	174	13	and	and	CCONJ
concept-2687	174	14	c.	c.	PROPN
concept-2687	174	15	pallida	pallida	NOUN
concept-2687	174	16	10	10	NUM
concept-2687	174	17	with	with	ADP
concept-2687	174	18	non	non	ADJ
concept-2687	174	19	-	-	ADJ
concept-2687	174	20	tool	tool	ADJ
concept-2687	174	21	using	use	VERB
concept-2687	174	22	carrion	carrion	NOUN
concept-2687	174	23	crows	crow	NOUN
concept-2687	174	24	and	and	CCONJ
concept-2687	174	25	small	small	ADJ
concept-2687	174	26	tree	tree	NOUN
concept-2687	174	27	finches	finch	NOUN
concept-2687	174	28	.	.	PUNCT
concept-2687	175	1	both	both	DET
concept-2687	175	2	species	specie	NOUN
concept-2687	175	3	of	of	ADP
concept-2687	175	4	birds	bird	NOUN
concept-2687	175	5	were	be	AUX
concept-2687	175	6	offered	offer	VERB
concept-2687	175	7	a	a	DET
concept-2687	175	8	choice	choice	NOUN
concept-2687	175	9	between	between	ADP
concept-2687	175	10	two	two	NUM
concept-2687	175	11	canes	cane	NOUN
concept-2687	175	12	.	.	PUNCT
concept-2687	176	1	food	food	NOUN
concept-2687	176	2	was	be	AUX
concept-2687	176	3	only	only	ADV
concept-2687	176	4	ever	ever	ADV
concept-2687	176	5	contained	contain	VERB
concept-2687	176	6	within	within	ADP
concept-2687	176	7	one	one	NUM
concept-2687	176	8	of	of	ADP
concept-2687	176	9	the	the	DET
concept-2687	176	10	hooked	hooked	ADJ
concept-2687	176	11	ends	end	VERB
concept-2687	176	12	.	.	PUNCT
concept-2687	177	1	after	after	ADP
concept-2687	177	2	the	the	DET
concept-2687	177	3	initial	initial	ADJ
concept-2687	177	4	task	task	NOUN
concept-2687	177	5	,	,	PUNCT
concept-2687	177	6	four	four	NUM
concept-2687	177	7	transfer	transfer	NOUN
concept-2687	177	8	tasks	task	NOUN
concept-2687	177	9	were	be	AUX
concept-2687	177	10	created	create	VERB
concept-2687	177	11	.	.	PUNCT
concept-2687	178	1	both	both	PRON
concept-2687	178	2	nccs	ncc	NOUN
concept-2687	178	3	and	and	CCONJ
concept-2687	178	4	carrion	carrion	NOUN
concept-2687	178	5	crows	crow	NOUN
concept-2687	178	6	performed	perform	VERB
concept-2687	178	7	equally	equally	ADV
concept-2687	178	8	well	well	ADV
concept-2687	178	9	on	on	ADP
concept-2687	178	10	the	the	DET
concept-2687	178	11	learning	learning	NOUN
concept-2687	178	12	tasks	task	NOUN
concept-2687	178	13	.	.	PUNCT
concept-2687	179	1	however	however	ADV
concept-2687	179	2	,	,	PUNCT
concept-2687	179	3	no	no	DET
concept-2687	179	4	carrion	carrion	NOUN
concept-2687	179	5	crows	crow	VERB
concept-2687	179	6	solved	solve	VERB
concept-2687	179	7	the	the	DET
concept-2687	179	8	cane	cane	NOUN
concept-2687	179	9	task	task	NOUN
concept-2687	179	10	.	.	PUNCT
concept-2687	180	1	most	most	ADJ
concept-2687	180	2	nccs	ncc	NOUN
concept-2687	180	3	and	and	CCONJ
concept-2687	180	4	all	all	DET
concept-2687	180	5	woodpecker	woodpecker	NOUN
concept-2687	180	6	finches	finch	NOUN
concept-2687	180	7	passed	pass	VERB
concept-2687	180	8	the	the	DET
concept-2687	180	9	initial	initial	ADJ
concept-2687	180	10	learning	learning	NOUN
concept-2687	180	11	task	task	NOUN
concept-2687	180	12	,	,	PUNCT
concept-2687	180	13	and	and	CCONJ
concept-2687	180	14	nccs	nccs	NOUN
concept-2687	180	15	performed	perform	VERB
concept-2687	180	16	similarly	similarly	ADV
concept-2687	180	17	to	to	ADP
concept-2687	180	18	woodpecker	woodpecker	NOUN
concept-2687	180	19	finches	finch	NOUN
concept-2687	180	20	in	in	ADP
concept-2687	180	21	later	late	ADJ
concept-2687	180	22	trials	trial	NOUN
concept-2687	180	23	.	.	PUNCT
concept-2687	181	1	the	the	DET
concept-2687	181	2	difference	difference	NOUN
concept-2687	181	3	in	in	ADP
concept-2687	181	4	performance	performance	NOUN
concept-2687	181	5	between	between	ADP
concept-2687	181	6	crows	crow	NOUN
concept-2687	181	7	but	but	CCONJ
concept-2687	181	8	not	not	PART
concept-2687	181	9	between	between	ADP
concept-2687	181	10	finches	finch	NOUN
concept-2687	181	11	in	in	ADP
concept-2687	181	12	the	the	DET
concept-2687	181	13	cane	cane	NOUN
concept-2687	181	14	task	task	NOUN
concept-2687	181	15	led	lead	VERB
concept-2687	181	16	teschke	teschke	PROPN
concept-2687	181	17	et	et	PROPN
concept-2687	181	18	al	al	PROPN
concept-2687	181	19	.	.	PROPN
concept-2687	182	1	(	(	PUNCT
concept-2687	182	2	2013	2013	NUM
concept-2687	182	3	)	)	PUNCT
concept-2687	183	1	to	to	PART
concept-2687	183	2	conclude	conclude	VERB
concept-2687	183	3	that	that	SCONJ
concept-2687	183	4	cognitive	cognitive	ADJ
concept-2687	183	5	adaptations	adaptation	NOUN
concept-2687	183	6	arise	arise	VERB
concept-2687	183	7	more	more	ADV
concept-2687	183	8	frequently	frequently	ADV
concept-2687	183	9	in	in	ADP
concept-2687	183	10	species	specie	NOUN
concept-2687	183	11	such	such	ADJ
concept-2687	183	12	as	as	ADP
concept-2687	183	13	nccs	ncc	NOUN
concept-2687	183	14	which	which	PRON
concept-2687	183	15	use	use	VERB
concept-2687	183	16	tools	tool	NOUN
concept-2687	183	17	in	in	ADP
concept-2687	183	18	more	more	ADJ
concept-2687	183	19	complex	complex	ADJ
concept-2687	183	20	ways	way	NOUN
concept-2687	183	21	.	.	PUNCT
concept-2687	184	1	the	the	DET
concept-2687	184	2	behavior	behavior	NOUN
concept-2687	184	3	of	of	ADP
concept-2687	184	4	non	non	ADJ
concept-2687	184	5	-	-	ADJ
concept-2687	184	6	ncc	ncc	ADJ
concept-2687	184	7	corvidae	corvidae	NOUN
concept-2687	184	8	in	in	ADP
concept-2687	184	9	the	the	DET
concept-2687	184	10	trap	trap	NOUN
concept-2687	184	11	-	-	PUNCT
concept-2687	184	12	tube	tube	NOUN
concept-2687	184	13	test	test	NOUN
concept-2687	184	14	and	and	CCONJ
concept-2687	184	15	the	the	DET
concept-2687	184	16	cane	cane	NOUN
concept-2687	184	17	task	task	NOUN
concept-2687	184	18	highlight	highlight	VERB
concept-2687	184	19	the	the	DET
concept-2687	184	20	learning	learning	NOUN
concept-2687	184	21	abilities	ability	NOUN
concept-2687	184	22	of	of	ADP
concept-2687	184	23	nccs	nccs	NOUN
concept-2687	184	24	in	in	ADP
concept-2687	184	25	relation	relation	NOUN
concept-2687	184	26	to	to	ADP
concept-2687	184	27	other	other	ADJ
concept-2687	184	28	corvidae	corvidae	NOUN
concept-2687	184	29	and	and	CCONJ
concept-2687	184	30	support	support	VERB
concept-2687	184	31	the	the	DET
concept-2687	184	32	notion	notion	NOUN
concept-2687	184	33	that	that	SCONJ
concept-2687	184	34	a	a	DET
concept-2687	184	35	group	group	NOUN
concept-2687	184	36	of	of	ADP
concept-2687	184	37	tool	tool	NOUN
concept-2687	184	38	-	-	PUNCT
concept-2687	184	39	using	use	VERB
concept-2687	184	40	traits	trait	NOUN
concept-2687	184	41	is	be	AUX
concept-2687	184	42	shared	share	VERB
concept-2687	184	43	among	among	ADP
concept-2687	184	44	corvidae	corvidae	NOUN
concept-2687	184	45	.	.	PUNCT
concept-2687	185	1	research	research	NOUN
concept-2687	185	2	by	by	ADP
concept-2687	185	3	tebbich	tebbich	NOUN
concept-2687	185	4	and	and	CCONJ
concept-2687	185	5	bshary	bshary	ADJ
concept-2687	185	6	(	(	PUNCT
concept-2687	185	7	2004	2004	NUM
concept-2687	185	8	)	)	PUNCT
concept-2687	185	9	and	and	CCONJ
concept-2687	185	10	tebbich	tebbich	ADP
concept-2687	185	11	et	et	PROPN
concept-2687	185	12	al	al	PROPN
concept-2687	185	13	.	.	PROPN
concept-2687	186	1	(	(	PUNCT
concept-2687	186	2	2001	2001	NUM
concept-2687	186	3	)	)	PUNCT
concept-2687	186	4	outlines	outline	VERB
concept-2687	186	5	the	the	DET
concept-2687	186	6	cognitive	cognitive	ADJ
concept-2687	186	7	abilities	ability	NOUN
concept-2687	186	8	and	and	CCONJ
concept-2687	186	9	social	social	ADJ
concept-2687	186	10	learning	learning	NOUN
concept-2687	186	11	mechanisms	mechanism	NOUN
concept-2687	186	12	related	relate	VERB
concept-2687	186	13	to	to	ADP
concept-2687	186	14	c.	c.	PROPN
concept-2687	186	15	pallida	pallida	PROPN
concept-2687	186	16	tool	tool	NOUN
concept-2687	186	17	use	use	NOUN
concept-2687	186	18	.	.	PUNCT
concept-2687	187	1	c.	c.	PROPN
concept-2687	187	2	pallida	pallida	PROPN
concept-2687	187	3	uses	use	VERB
concept-2687	187	4	tools	tool	NOUN
concept-2687	187	5	most	most	ADJ
concept-2687	187	6	(	(	PUNCT
concept-2687	187	7	tebbich	tebbich	NOUN
concept-2687	187	8	&	&	CCONJ
concept-2687	187	9	bshary	bshary	ADJ
concept-2687	187	10	,	,	PUNCT
concept-2687	187	11	2004	2004	NUM
concept-2687	187	12	)	)	PUNCT
concept-2687	187	13	.	.	PUNCT
concept-2687	188	1	they	they	PRON
concept-2687	188	2	use	use	VERB
concept-2687	188	3	trial	trial	NOUN
concept-2687	188	4	and	and	CCONJ
concept-2687	188	5	error	error	NOUN
concept-2687	188	6	learning	learning	NOUN
concept-2687	188	7	in	in	ADP
concept-2687	188	8	trap	trap	NOUN
concept-2687	188	9	-	-	PUNCT
concept-2687	188	10	tube	tube	NOUN
concept-2687	188	11	tests	test	NOUN
concept-2687	188	12	,	,	PUNCT
concept-2687	188	13	tool	tool	NOUN
concept-2687	188	14	-	-	PUNCT
concept-2687	188	15	length	length	NOUN
concept-2687	188	16	tasks	task	NOUN
concept-2687	188	17	,	,	PUNCT
concept-2687	188	18	and	and	CCONJ
concept-2687	188	19	tool	tool	NOUN
concept-2687	188	20	modification	modification	NOUN
concept-2687	188	21	tasks	task	NOUN
concept-2687	188	22	.	.	PUNCT
concept-2687	189	1	one	one	NUM
concept-2687	189	2	out	out	ADP
concept-2687	189	3	of	of	ADP
concept-2687	189	4	six	six	NUM
concept-2687	189	5	woodpecker	woodpecker	NOUN
concept-2687	189	6	finches	finch	NOUN
concept-2687	189	7	solved	solve	VERB
concept-2687	189	8	the	the	DET
concept-2687	189	9	trap	trap	NOUN
concept-2687	189	10	-	-	PUNCT
concept-2687	189	11	tube	tube	NOUN
concept-2687	189	12	task	task	NOUN
concept-2687	189	13	,	,	PUNCT
concept-2687	189	14	and	and	CCONJ
concept-2687	189	15	three	three	NUM
concept-2687	189	16	out	out	ADP
concept-2687	189	17	of	of	ADP
concept-2687	189	18	five	five	NUM
concept-2687	189	19	selected	select	VERB
concept-2687	189	20	a	a	DET
concept-2687	189	21	tool	tool	NOUN
concept-2687	189	22	of	of	ADP
concept-2687	189	23	a	a	DET
concept-2687	189	24	sufficient	sufficient	ADJ
concept-2687	189	25	length	length	NOUN
concept-2687	189	26	(	(	PUNCT
concept-2687	189	27	2004	2004	NUM
concept-2687	189	28	)	)	PUNCT
concept-2687	189	29	.	.	PUNCT
concept-2687	190	1	tebbich	tebbich	ADP
concept-2687	190	2	et	et	PROPN
concept-2687	190	3	al	al	PROPN
concept-2687	190	4	.	.	PROPN
concept-2687	191	1	(	(	PUNCT
concept-2687	191	2	2001	2001	NUM
concept-2687	191	3	)	)	PUNCT
concept-2687	191	4	found	find	VERB
concept-2687	191	5	that	that	SCONJ
concept-2687	191	6	juvenile	juvenile	ADJ
concept-2687	191	7	woodpecker	woodpecker	NOUN
concept-2687	191	8	finches	finch	NOUN
concept-2687	191	9	were	be	AUX
concept-2687	191	10	more	more	ADV
concept-2687	191	11	likely	likely	ADJ
concept-2687	191	12	to	to	PART
concept-2687	191	13	follow	follow	VERB
concept-2687	191	14	tool	tool	NOUN
concept-2687	191	15	-	-	PUNCT
concept-2687	191	16	using	use	VERB
concept-2687	191	17	adult	adult	NOUN
concept-2687	191	18	models	model	NOUN
concept-2687	191	19	rather	rather	ADV
concept-2687	191	20	than	than	ADP
concept-2687	191	21	choosing	choose	VERB
concept-2687	191	22	to	to	PART
concept-2687	191	23	observe	observe	VERB
concept-2687	191	24	their	their	PRON
concept-2687	191	25	own	own	ADJ
concept-2687	191	26	tool	tool	NOUN
concept-2687	191	27	-	-	PUNCT
concept-2687	191	28	using	use	VERB
concept-2687	191	29	parents	parent	NOUN
concept-2687	191	30	;	;	PUNCT
concept-2687	191	31	two	two	NUM
concept-2687	191	32	juveniles	juvenile	NOUN
concept-2687	191	33	even	even	ADV
concept-2687	191	34	kept	keep	VERB
concept-2687	191	35	snatching	snatch	VERB
concept-2687	191	36	sticks	stick	NOUN
concept-2687	191	37	from	from	ADP
concept-2687	191	38	the	the	DET
concept-2687	191	39	beaks	beak	NOUN
concept-2687	191	40	of	of	ADP
concept-2687	191	41	model	model	NOUN
concept-2687	191	42	finches	finch	NOUN
concept-2687	191	43	!	!	PUNCT
concept-2687	192	1	tebbich	tebbich	ADP
concept-2687	192	2	et	et	PROPN
concept-2687	192	3	al	al	PROPN
concept-2687	192	4	.	.	PROPN
concept-2687	192	5	concluded	conclude	VERB
concept-2687	192	6	that	that	SCONJ
concept-2687	192	7	although	although	SCONJ
concept-2687	192	8	all	all	DET
concept-2687	192	9	juveniles	juvenile	NOUN
concept-2687	192	10	demonstrated	demonstrate	VERB
concept-2687	192	11	similar	similar	ADJ
concept-2687	192	12	precursor	precursor	NOUN
concept-2687	192	13	behaviors	behavior	NOUN
concept-2687	192	14	,	,	PUNCT
concept-2687	192	15	the	the	DET
concept-2687	192	16	development	development	NOUN
concept-2687	192	17	of	of	ADP
concept-2687	192	18	their	their	PRON
concept-2687	192	19	tool	tool	NOUN
concept-2687	192	20	use	use	NOUN
concept-2687	192	21	did	do	AUX
concept-2687	192	22	not	not	PART
concept-2687	192	23	depend	depend	VERB
concept-2687	192	24	wholly	wholly	ADV
concept-2687	192	25	on	on	ADP
concept-2687	192	26	social	social	ADJ
concept-2687	192	27	learning	learning	NOUN
concept-2687	192	28	mechanisms	mechanism	NOUN
concept-2687	192	29	.	.	PUNCT
concept-2687	193	1	one	one	NUM
concept-2687	193	2	social	social	ADJ
concept-2687	193	3	learning	learning	NOUN
concept-2687	193	4	mechanism	mechanism	NOUN
concept-2687	193	5	,	,	PUNCT
concept-2687	193	6	stimulus	stimulus	ADJ
concept-2687	193	7	enhancement	enhancement	NOUN
concept-2687	193	8	,	,	PUNCT
concept-2687	193	9	promoted	promote	VERB
concept-2687	193	10	the	the	DET
concept-2687	193	11	learning	learning	NOUN
concept-2687	193	12	of	of	ADP
concept-2687	193	13	a	a	DET
concept-2687	193	14	physical	physical	ADJ
concept-2687	193	15	task	task	NOUN
concept-2687	193	16	in	in	ADP
concept-2687	193	17	nine	nine	NUM
concept-2687	193	18	hand	hand	NOUN
concept-2687	193	19	-	-	PUNCT
concept-2687	193	20	raised	raise	VERB
concept-2687	193	21	ravens	raven	NOUN
concept-2687	193	22	.	.	PUNCT
concept-2687	194	1	this	this	DET
concept-2687	194	2	procedure	procedure	NOUN
concept-2687	194	3	presented	present	VERB
concept-2687	194	4	animals	animal	NOUN
concept-2687	194	5	with	with	ADP
concept-2687	194	6	two	two	NUM
concept-2687	194	7	viable	viable	ADJ
concept-2687	194	8	options	option	NOUN
concept-2687	194	9	to	to	PART
concept-2687	194	10	complete	complete	VERB
concept-2687	194	11	the	the	DET
concept-2687	194	12	task	task	NOUN
concept-2687	194	13	:	:	PUNCT
concept-2687	194	14	in	in	ADP
concept-2687	194	15	fritz	fritz	PROPN
concept-2687	194	16	’	'	PUNCT
concept-2687	194	17	and	and	CCONJ
concept-2687	194	18	kotrschal	kotrschal	PROPN
concept-2687	194	19	’s	’s	PART
concept-2687	194	20	(	(	PUNCT
concept-2687	194	21	1999	1999	NUM
concept-2687	194	22	)	)	PUNCT
concept-2687	194	23	study	study	NOUN
concept-2687	194	24	,	,	PUNCT
concept-2687	194	25	ravens	raven	NOUN
concept-2687	194	26	could	could	AUX
concept-2687	194	27	either	either	CCONJ
concept-2687	194	28	choose	choose	VERB
concept-2687	194	29	to	to	PART
concept-2687	194	30	pull	pull	VERB
concept-2687	194	31	a	a	DET
concept-2687	194	32	string	string	NOUN
concept-2687	194	33	to	to	ADP
concept-2687	194	34	a	a	DET
concept-2687	194	35	box	box	NOUN
concept-2687	194	36	door	door	NOUN
concept-2687	194	37	to	to	PART
concept-2687	194	38	retrieve	retrieve	VERB
concept-2687	194	39	food	food	NOUN
concept-2687	194	40	inside	inside	ADV
concept-2687	194	41	or	or	CCONJ
concept-2687	194	42	they	they	PRON
concept-2687	194	43	could	could	AUX
concept-2687	194	44	lever	lever	VERB
concept-2687	194	45	their	their	PRON
concept-2687	194	46	beak	beak	NOUN
concept-2687	194	47	within	within	ADP
concept-2687	194	48	the	the	DET
concept-2687	194	49	crevice	crevice	NOUN
concept-2687	194	50	of	of	ADP
concept-2687	194	51	the	the	DET
concept-2687	194	52	door	door	NOUN
concept-2687	194	53	to	to	PART
concept-2687	194	54	push	push	VERB
concept-2687	194	55	the	the	DET
concept-2687	194	56	door	door	NOUN
concept-2687	194	57	11	11	NUM
concept-2687	194	58	open	open	ADJ
concept-2687	194	59	.	.	PUNCT
concept-2687	195	1	in	in	ADP
concept-2687	195	2	both	both	DET
concept-2687	195	3	cases	case	NOUN
concept-2687	195	4	the	the	DET
concept-2687	195	5	raven	raven	NOUN
concept-2687	195	6	could	could	AUX
concept-2687	195	7	open	open	VERB
concept-2687	195	8	the	the	DET
concept-2687	195	9	box	box	NOUN
concept-2687	195	10	to	to	PART
concept-2687	195	11	retrieve	retrieve	VERB
concept-2687	195	12	food	food	NOUN
concept-2687	195	13	.	.	PUNCT
concept-2687	196	1	fritz	fritz	PROPN
concept-2687	196	2	and	and	CCONJ
concept-2687	196	3	kotrschal	kotrschal	NOUN
concept-2687	196	4	(	(	PUNCT
concept-2687	196	5	1999	1999	NUM
concept-2687	196	6	)	)	PUNCT
concept-2687	196	7	utilized	utilize	VERB
concept-2687	196	8	this	this	DET
concept-2687	196	9	two	two	NUM
concept-2687	196	10	-	-	PUNCT
concept-2687	196	11	action	action	NOUN
concept-2687	196	12	box	box	NOUN
concept-2687	196	13	test	test	NOUN
concept-2687	196	14	to	to	PART
concept-2687	196	15	explore	explore	VERB
concept-2687	196	16	the	the	DET
concept-2687	196	17	significance	significance	NOUN
concept-2687	196	18	of	of	ADP
concept-2687	196	19	social	social	ADJ
concept-2687	196	20	learning	learning	NOUN
concept-2687	196	21	in	in	ADP
concept-2687	196	22	dyads	dyad	NOUN
concept-2687	196	23	of	of	ADP
concept-2687	196	24	food	food	NOUN
concept-2687	196	25	-	-	PUNCT
concept-2687	196	26	caching	cache	VERB
concept-2687	196	27	corvids	corvid	NOUN
concept-2687	196	28	,	,	PUNCT
concept-2687	196	29	c.	c.	PROPN
concept-2687	196	30	corax	corax	NOUN
concept-2687	196	31	.	.	PUNCT
concept-2687	197	1	by	by	ADP
concept-2687	197	2	designating	designate	VERB
concept-2687	197	3	one	one	NUM
concept-2687	197	4	bird	bird	NOUN
concept-2687	197	5	a	a	DET
concept-2687	197	6	model	model	NOUN
concept-2687	197	7	and	and	CCONJ
concept-2687	197	8	the	the	DET
concept-2687	197	9	other	other	ADJ
concept-2687	197	10	an	an	DET
concept-2687	197	11	observer	observer	NOUN
concept-2687	197	12	,	,	PUNCT
concept-2687	197	13	they	they	PRON
concept-2687	197	14	evaluated	evaluate	VERB
concept-2687	197	15	how	how	SCONJ
concept-2687	197	16	observer	observer	NOUN
concept-2687	197	17	birds	bird	NOUN
concept-2687	197	18	opened	open	VERB
concept-2687	197	19	the	the	DET
concept-2687	197	20	box	box	NOUN
concept-2687	197	21	after	after	ADP
concept-2687	197	22	witnessing	witness	VERB
concept-2687	197	23	a	a	DET
concept-2687	197	24	control	control	NOUN
concept-2687	197	25	retrieve	retrieve	NOUN
concept-2687	197	26	food	food	NOUN
concept-2687	197	27	.	.	PUNCT
concept-2687	198	1	all	all	DET
concept-2687	198	2	control	control	NOUN
concept-2687	198	3	ravens	raven	NOUN
concept-2687	198	4	levered	lever	VERB
concept-2687	198	5	the	the	DET
concept-2687	198	6	box	box	NOUN
concept-2687	198	7	open	open	ADJ
concept-2687	198	8	,	,	PUNCT
concept-2687	198	9	and	and	CCONJ
concept-2687	198	10	observer	observer	NOUN
concept-2687	198	11	ravens	raven	NOUN
concept-2687	198	12	were	be	AUX
concept-2687	198	13	more	more	ADV
concept-2687	198	14	likely	likely	ADJ
concept-2687	198	15	to	to	PART
concept-2687	198	16	pull	pull	VERB
concept-2687	198	17	the	the	DET
concept-2687	198	18	flap	flap	NOUN
concept-2687	198	19	on	on	ADP
concept-2687	198	20	the	the	DET
concept-2687	198	21	box	box	NOUN
concept-2687	198	22	to	to	PART
concept-2687	198	23	open	open	VERB
concept-2687	198	24	it	it	PRON
concept-2687	198	25	in	in	ADP
concept-2687	198	26	subsequent	subsequent	ADJ
concept-2687	198	27	trials	trial	NOUN
concept-2687	198	28	.	.	PUNCT
concept-2687	199	1	given	give	VERB
concept-2687	199	2	that	that	SCONJ
concept-2687	199	3	ravens	raven	NOUN
concept-2687	199	4	were	be	AUX
concept-2687	199	5	more	more	ADV
concept-2687	199	6	likely	likely	ADJ
concept-2687	199	7	to	to	PART
concept-2687	199	8	pull	pull	VERB
concept-2687	199	9	the	the	DET
concept-2687	199	10	flap	flap	NOUN
concept-2687	199	11	after	after	ADP
concept-2687	199	12	watching	watch	VERB
concept-2687	199	13	a	a	DET
concept-2687	199	14	conspecific	conspecific	NOUN
concept-2687	199	15	solve	solve	NOUN
concept-2687	199	16	the	the	DET
concept-2687	199	17	twoaction	twoaction	NOUN
concept-2687	199	18	procedure	procedure	NOUN
concept-2687	199	19	with	with	ADP
concept-2687	199	20	another	another	DET
concept-2687	199	21	method	method	NOUN
concept-2687	199	22	,	,	PUNCT
concept-2687	199	23	observer	observer	NOUN
concept-2687	199	24	ravens	raven	NOUN
concept-2687	199	25	must	must	AUX
concept-2687	199	26	explore	explore	VERB
concept-2687	199	27	the	the	DET
concept-2687	199	28	flap	flap	NOUN
concept-2687	199	29	more	more	ADJ
concept-2687	199	30	than	than	ADP
concept-2687	199	31	controls	control	NOUN
concept-2687	199	32	due	due	ADP
concept-2687	199	33	to	to	ADP
concept-2687	199	34	the	the	DET
concept-2687	199	35	increased	increase	VERB
concept-2687	199	36	salience	salience	NOUN
concept-2687	199	37	of	of	ADP
concept-2687	199	38	the	the	DET
concept-2687	199	39	stimulus	stimulus	NOUN
concept-2687	199	40	caused	cause	VERB
concept-2687	199	41	by	by	ADP
concept-2687	199	42	the	the	DET
concept-2687	199	43	conspecific	conspecific	NOUN
concept-2687	199	44	’s	’s	PART
concept-2687	199	45	interaction	interaction	NOUN
concept-2687	199	46	.	.	PUNCT
concept-2687	200	1	discussion	discussion	NOUN
concept-2687	200	2	if	if	SCONJ
concept-2687	200	3	we	we	PRON
concept-2687	200	4	imagine	imagine	VERB
concept-2687	200	5	a	a	DET
concept-2687	200	6	simple	simple	ADJ
concept-2687	200	7	substance	substance	NOUN
concept-2687	200	8	whose	whose	DET
concept-2687	200	9	structure	structure	NOUN
concept-2687	200	10	makes	make	VERB
concept-2687	200	11	it	it	PRON
concept-2687	200	12	think	think	VERB
concept-2687	200	13	,	,	PUNCT
concept-2687	200	14	sense	sense	NOUN
concept-2687	200	15	,	,	PUNCT
concept-2687	200	16	and	and	CCONJ
concept-2687	200	17	have	have	VERB
concept-2687	200	18	perceptions	perception	NOUN
concept-2687	200	19	,	,	PUNCT
concept-2687	200	20	we	we	PRON
concept-2687	200	21	could	could	AUX
concept-2687	200	22	imagine	imagine	VERB
concept-2687	200	23	it	it	PRON
concept-2687	200	24	enlarged	enlarge	VERB
concept-2687	200	25	and	and	CCONJ
concept-2687	200	26	enter	enter	VERB
concept-2687	200	27	it	it	PRON
concept-2687	200	28	as	as	ADP
concept-2687	200	29	one	one	NUM
concept-2687	200	30	does	do	VERB
concept-2687	200	31	a	a	DET
concept-2687	200	32	mill	mill	NOUN
concept-2687	200	33	(	(	PUNCT
concept-2687	200	34	leibniz	leibniz	PROPN
concept-2687	200	35	,	,	PUNCT
concept-2687	200	36	1686	1686	NUM
concept-2687	200	37	)	)	PUNCT
concept-2687	200	38	.	.	PUNCT
concept-2687	201	1	inside	inside	ADP
concept-2687	201	2	this	this	DET
concept-2687	201	3	mill	mill	NOUN
concept-2687	201	4	we	we	PRON
concept-2687	201	5	can	can	AUX
concept-2687	201	6	look	look	VERB
concept-2687	201	7	around	around	ADV
concept-2687	201	8	and	and	CCONJ
concept-2687	201	9	watch	watch	VERB
concept-2687	201	10	the	the	DET
concept-2687	201	11	mechanical	mechanical	ADJ
concept-2687	201	12	gears	gear	NOUN
concept-2687	201	13	spin	spin	VERB
concept-2687	201	14	,	,	PUNCT
concept-2687	201	15	but	but	CCONJ
concept-2687	201	16	we	we	PRON
concept-2687	201	17	can	can	AUX
concept-2687	201	18	never	never	ADV
concept-2687	201	19	point	point	VERB
concept-2687	201	20	to	to	ADP
concept-2687	201	21	anything	anything	PRON
concept-2687	201	22	to	to	PART
concept-2687	201	23	explain	explain	VERB
concept-2687	201	24	its	its	PRON
concept-2687	201	25	perceptions	perception	NOUN
concept-2687	201	26	.	.	PUNCT
concept-2687	202	1	some	some	DET
concept-2687	202	2	error	error	NOUN
concept-2687	202	3	necessarily	necessarily	ADV
concept-2687	202	4	pervades	pervade	VERB
concept-2687	202	5	the	the	DET
concept-2687	202	6	sensations	sensation	NOUN
concept-2687	202	7	and	and	CCONJ
concept-2687	202	8	perceptions	perception	NOUN
concept-2687	202	9	out	out	ADP
concept-2687	202	10	of	of	ADP
concept-2687	202	11	which	which	PRON
concept-2687	202	12	crows	crow	VERB
concept-2687	202	13	fashion	fashion	VERB
concept-2687	202	14	their	their	PRON
concept-2687	202	15	social	social	ADJ
concept-2687	202	16	,	,	PUNCT
concept-2687	202	17	functional	functional	ADJ
concept-2687	202	18	worlds	world	NOUN
concept-2687	202	19	.	.	PUNCT
concept-2687	203	1	instead	instead	ADV
concept-2687	203	2	of	of	ADP
concept-2687	203	3	romanticizing	romanticize	VERB
concept-2687	203	4	corvid	corvid	PROPN
concept-2687	203	5	cognition	cognition	NOUN
concept-2687	203	6	,	,	PUNCT
concept-2687	203	7	one	one	PRON
concept-2687	203	8	must	must	AUX
concept-2687	203	9	prefer	prefer	VERB
concept-2687	203	10	the	the	DET
concept-2687	203	11	most	most	ADV
concept-2687	203	12	simple	simple	ADJ
concept-2687	203	13	,	,	PUNCT
concept-2687	203	14	logical	logical	ADJ
concept-2687	203	15	explanations	explanation	NOUN
concept-2687	203	16	for	for	SCONJ
concept-2687	203	17	their	their	PRON
concept-2687	203	18	tool	tool	NOUN
concept-2687	203	19	use	use	NOUN
concept-2687	203	20	behavior	behavior	NOUN
concept-2687	203	21	.	.	PUNCT
concept-2687	204	1	likewise	likewise	ADV
concept-2687	204	2	,	,	PUNCT
concept-2687	204	3	bluff	bluff	PROPN
concept-2687	204	4	et	et	PROPN
concept-2687	204	5	al	al	PROPN
concept-2687	204	6	.	.	PROPN
concept-2687	205	1	(	(	PUNCT
concept-2687	205	2	2007	2007	NUM
concept-2687	205	3	)	)	PUNCT
concept-2687	205	4	cautions	caution	VERB
concept-2687	205	5	the	the	DET
concept-2687	205	6	cognitive	cognitive	ADJ
concept-2687	205	7	psychologist	psychologist	NOUN
concept-2687	205	8	against	against	ADP
concept-2687	205	9	“	"	PUNCT
concept-2687	205	10	ascribing	ascribe	VERB
concept-2687	205	11	general	general	ADJ
concept-2687	205	12	cognitive	cognitive	ADJ
concept-2687	205	13	abilities	ability	NOUN
concept-2687	205	14	to	to	ADP
concept-2687	205	15	the	the	DET
concept-2687	205	16	whole	whole	ADJ
concept-2687	205	17	corvidae	corvidae	NOUN
concept-2687	205	18	family	family	NOUN
concept-2687	205	19	based	base	VERB
concept-2687	205	20	on	on	ADP
concept-2687	205	21	the	the	DET
concept-2687	205	22	abilities	ability	NOUN
concept-2687	205	23	of	of	ADP
concept-2687	205	24	individual	individual	ADJ
concept-2687	205	25	species	specie	NOUN
concept-2687	205	26	”	"	PUNCT
concept-2687	205	27	.	.	PUNCT
concept-2687	206	1	to	to	PART
concept-2687	206	2	wonder	wonder	VERB
concept-2687	206	3	what	what	PRON
concept-2687	206	4	it	it	PRON
concept-2687	206	5	is	be	AUX
concept-2687	206	6	like	like	ADJ
concept-2687	206	7	to	to	PART
concept-2687	206	8	be	be	AUX
concept-2687	206	9	a	a	DET
concept-2687	206	10	crow	crow	NOUN
concept-2687	206	11	proves	prove	VERB
concept-2687	206	12	as	as	ADV
concept-2687	206	13	futile	futile	ADJ
concept-2687	206	14	as	as	ADP
concept-2687	206	15	proving	prove	VERB
concept-2687	206	16	whether	whether	SCONJ
concept-2687	206	17	corvids	corvid	NOUN
concept-2687	206	18	even	even	ADV
concept-2687	206	19	perceive	perceive	VERB
concept-2687	206	20	the	the	DET
concept-2687	206	21	same	same	ADJ
concept-2687	206	22	worlds	world	NOUN
concept-2687	206	23	as	as	ADP
concept-2687	206	24	each	each	DET
concept-2687	206	25	other	other	ADJ
concept-2687	206	26	.	.	PUNCT
concept-2687	207	1	ncc	ncc	NOUN
concept-2687	207	2	tool	tool	NOUN
concept-2687	207	3	-	-	PUNCT
concept-2687	207	4	using	use	VERB
concept-2687	207	5	abilities	ability	NOUN
concept-2687	207	6	stem	stem	VERB
concept-2687	207	7	from	from	ADP
concept-2687	207	8	their	their	PRON
concept-2687	207	9	ecological	ecological	ADJ
concept-2687	207	10	adaptations	adaptation	NOUN
concept-2687	207	11	.	.	PUNCT
concept-2687	208	1	they	they	PRON
concept-2687	208	2	are	be	AUX
concept-2687	208	3	an	an	DET
concept-2687	208	4	invasive	invasive	ADJ
concept-2687	208	5	species	specie	NOUN
concept-2687	208	6	in	in	ADP
concept-2687	208	7	new	new	ADJ
concept-2687	208	8	caledonia	caledonia	PROPN
concept-2687	208	9	,	,	PUNCT
concept-2687	208	10	and	and	CCONJ
concept-2687	208	11	their	their	PRON
concept-2687	208	12	foraging	forage	VERB
concept-2687	208	13	strategies	strategy	NOUN
concept-2687	208	14	promote	promote	VERB
concept-2687	208	15	their	their	PRON
concept-2687	208	16	use	use	NOUN
concept-2687	208	17	of	of	ADP
concept-2687	208	18	novel	novel	ADJ
concept-2687	208	19	physical	physical	ADJ
concept-2687	208	20	materials	material	NOUN
concept-2687	208	21	to	to	PART
concept-2687	208	22	aid	aid	VERB
concept-2687	208	23	in	in	ADP
concept-2687	208	24	foraging	forage	VERB
concept-2687	208	25	behaviors	behavior	NOUN
concept-2687	208	26	.	.	PUNCT
concept-2687	209	1	nevertheless	nevertheless	ADV
concept-2687	209	2	,	,	PUNCT
concept-2687	209	3	nccs	ncc	VERB
concept-2687	209	4	associate	associate	ADJ
concept-2687	209	5	functional	functional	ADJ
concept-2687	209	6	properties	property	NOUN
concept-2687	209	7	with	with	ADP
concept-2687	209	8	their	their	PRON
concept-2687	209	9	representation	representation	NOUN
concept-2687	209	10	of	of	ADP
concept-2687	209	11	the	the	DET
concept-2687	209	12	pandanus	pandanus	NOUN
concept-2687	209	13	plant	plant	NOUN
concept-2687	209	14	.	.	PUNCT
concept-2687	210	1	this	this	PRON
concept-2687	210	2	is	be	AUX
concept-2687	210	3	likely	likely	ADJ
concept-2687	210	4	due	due	ADP
concept-2687	210	5	to	to	ADP
concept-2687	210	6	their	their	PRON
concept-2687	210	7	innate	innate	ADJ
concept-2687	210	8	nature	nature	NOUN
concept-2687	210	9	as	as	ADP
concept-2687	210	10	generalist	generalist	ADJ
concept-2687	210	11	foragers	forager	NOUN
concept-2687	210	12	,	,	PUNCT
concept-2687	210	13	their	their	PRON
concept-2687	210	14	larger	large	ADJ
concept-2687	210	15	brains	brain	NOUN
concept-2687	210	16	,	,	PUNCT
concept-2687	210	17	and	and	CCONJ
concept-2687	210	18	their	their	PRON
concept-2687	210	19	adaptability	adaptability	NOUN
concept-2687	210	20	within	within	ADP
concept-2687	210	21	a	a	DET
concept-2687	210	22	novel	novel	ADJ
concept-2687	210	23	ecosystem	ecosystem	NOUN
concept-2687	210	24	.	.	PUNCT
concept-2687	211	1	since	since	SCONJ
concept-2687	211	2	humans	human	NOUN
concept-2687	211	3	and	and	CCONJ
concept-2687	211	4	crows	crow	NOUN
concept-2687	211	5	independently	independently	ADV
concept-2687	211	6	evolved	evolve	VERB
concept-2687	211	7	tool	tool	NOUN
concept-2687	211	8	12	12	NUM
concept-2687	211	9	use	use	NOUN
concept-2687	211	10	during	during	ADP
concept-2687	211	11	different	different	ADJ
concept-2687	211	12	points	point	NOUN
concept-2687	211	13	in	in	ADP
concept-2687	211	14	their	their	PRON
concept-2687	211	15	phylogenetic	phylogenetic	ADJ
concept-2687	211	16	history	history	NOUN
concept-2687	211	17	,	,	PUNCT
concept-2687	211	18	we	we	PRON
concept-2687	211	19	may	may	AUX
concept-2687	211	20	conclude	conclude	VERB
concept-2687	211	21	that	that	SCONJ
concept-2687	211	22	evolution	evolution	NOUN
concept-2687	211	23	selects	select	NOUN
concept-2687	211	24	for	for	ADP
concept-2687	211	25	the	the	DET
concept-2687	211	26	ability	ability	NOUN
concept-2687	211	27	of	of	ADP
concept-2687	211	28	a	a	DET
concept-2687	211	29	species	species	NOUN
concept-2687	211	30	to	to	PART
concept-2687	211	31	interpret	interpret	VERB
concept-2687	211	32	the	the	DET
concept-2687	211	33	causal	causal	ADJ
concept-2687	211	34	law	law	NOUN
concept-2687	211	35	and	and	CCONJ
concept-2687	211	36	that	that	SCONJ
concept-2687	211	37	understanding	understand	VERB
concept-2687	211	38	this	this	DET
concept-2687	211	39	causal	causal	ADJ
concept-2687	211	40	law	law	NOUN
concept-2687	211	41	improves	improve	VERB
concept-2687	211	42	the	the	DET
concept-2687	211	43	fitness	fitness	NOUN
concept-2687	211	44	of	of	ADP
concept-2687	211	45	the	the	DET
concept-2687	211	46	being	being	NOUN
concept-2687	211	47	which	which	PRON
concept-2687	211	48	represents	represent	VERB
concept-2687	211	49	it	it	PRON
concept-2687	211	50	.	.	PUNCT
concept-2687	212	1	we	we	PRON
concept-2687	212	2	can	can	AUX
concept-2687	212	3	infer	infer	VERB
concept-2687	212	4	from	from	ADP
concept-2687	212	5	their	their	PRON
concept-2687	212	6	tool	tool	NOUN
concept-2687	212	7	-	-	PUNCT
concept-2687	212	8	using	use	VERB
concept-2687	212	9	behaviors	behavior	NOUN
concept-2687	212	10	that	that	SCONJ
concept-2687	212	11	they	they	PRON
concept-2687	212	12	represent	represent	VERB
concept-2687	212	13	more	more	ADJ
concept-2687	212	14	complex	complex	ADJ
concept-2687	212	15	worlds	world	NOUN
concept-2687	212	16	than	than	SCONJ
concept-2687	212	17	do	do	VERB
concept-2687	212	18	other	other	ADJ
concept-2687	212	19	species	specie	NOUN
concept-2687	212	20	of	of	ADP
concept-2687	212	21	birds	bird	NOUN
concept-2687	212	22	.	.	PUNCT
concept-2687	213	1	in	in	ADP
concept-2687	213	2	nature	nature	NOUN
concept-2687	213	3	,	,	PUNCT
concept-2687	213	4	causality	causality	NOUN
concept-2687	213	5	presents	present	VERB
concept-2687	213	6	itself	itself	PRON
concept-2687	213	7	as	as	ADP
concept-2687	213	8	strict	strict	ADJ
concept-2687	213	9	causes	cause	NOUN
concept-2687	213	10	,	,	PUNCT
concept-2687	213	11	stimuli	stimulus	NOUN
concept-2687	213	12	,	,	PUNCT
concept-2687	213	13	and	and	CCONJ
concept-2687	213	14	motives	motive	NOUN
concept-2687	213	15	(	(	PUNCT
concept-2687	213	16	schopenhauer	schopenhauer	NOUN
concept-2687	213	17	,	,	PUNCT
concept-2687	213	18	1813	1813	NUM
concept-2687	213	19	)	)	PUNCT
concept-2687	213	20	.	.	PUNCT
concept-2687	214	1	strict	strict	ADJ
concept-2687	214	2	causes	cause	NOUN
concept-2687	214	3	are	be	AUX
concept-2687	214	4	those	those	PRON
concept-2687	214	5	which	which	PRON
concept-2687	214	6	change	change	VERB
concept-2687	214	7	in	in	ADP
concept-2687	214	8	the	the	DET
concept-2687	214	9	inorganic	inorganic	ADJ
concept-2687	214	10	world	world	NOUN
concept-2687	214	11	,	,	PUNCT
concept-2687	214	12	like	like	ADP
concept-2687	214	13	gravity	gravity	NOUN
concept-2687	214	14	and	and	CCONJ
concept-2687	214	15	chemistry	chemistry	NOUN
concept-2687	214	16	.	.	PUNCT
concept-2687	215	1	stimuli	stimulus	NOUN
concept-2687	215	2	are	be	AUX
concept-2687	215	3	those	those	DET
concept-2687	215	4	causes	cause	NOUN
concept-2687	215	5	which	which	PRON
concept-2687	215	6	directly	directly	ADV
concept-2687	215	7	affect	affect	VERB
concept-2687	215	8	substances	substance	NOUN
concept-2687	215	9	.	.	PUNCT
concept-2687	216	1	motives	motive	NOUN
concept-2687	216	2	are	be	AUX
concept-2687	216	3	consciously	consciously	ADV
concept-2687	216	4	performed	perform	VERB
concept-2687	216	5	actions	action	NOUN
concept-2687	216	6	.	.	PUNCT
concept-2687	217	1	corvids	corvid	NOUN
concept-2687	217	2	represent	represent	VERB
concept-2687	217	3	the	the	DET
concept-2687	217	4	motives	motive	NOUN
concept-2687	217	5	of	of	ADP
concept-2687	217	6	other	other	ADJ
concept-2687	217	7	substances	substance	NOUN
concept-2687	217	8	.	.	PUNCT
concept-2687	218	1	they	they	PRON
concept-2687	218	2	behave	behave	VERB
concept-2687	218	3	differently	differently	ADV
concept-2687	218	4	around	around	ADP
concept-2687	218	5	conspecifics	conspecific	NOUN
concept-2687	218	6	which	which	PRON
concept-2687	218	7	they	they	PRON
concept-2687	218	8	perceive	perceive	VERB
concept-2687	218	9	as	as	ADP
concept-2687	218	10	helpful	helpful	ADJ
concept-2687	218	11	or	or	CCONJ
concept-2687	218	12	harmful	harmful	ADJ
concept-2687	218	13	.	.	PUNCT
concept-2687	219	1	they	they	PRON
concept-2687	219	2	represent	represent	VERB
concept-2687	219	3	certain	certain	ADJ
concept-2687	219	4	goals	goal	NOUN
concept-2687	219	5	towards	towards	ADP
concept-2687	219	6	which	which	PRON
concept-2687	219	7	they	they	PRON
concept-2687	219	8	aim	aim	VERB
concept-2687	219	9	.	.	PUNCT
concept-2687	220	1	they	they	PRON
concept-2687	220	2	demonstrate	demonstrate	VERB
concept-2687	220	3	a	a	DET
concept-2687	220	4	receptibility	receptibility	NOUN
concept-2687	220	5	to	to	ADP
concept-2687	220	6	forms	form	NOUN
concept-2687	220	7	of	of	ADP
concept-2687	220	8	causality	causality	NOUN
concept-2687	220	9	.	.	PUNCT
concept-2687	221	1	they	they	PRON
concept-2687	221	2	represent	represent	VERB
concept-2687	221	3	a	a	DET
concept-2687	221	4	world	world	NOUN
concept-2687	221	5	ripe	ripe	ADJ
concept-2687	221	6	with	with	ADP
concept-2687	221	7	functional	functional	ADJ
concept-2687	221	8	,	,	PUNCT
concept-2687	221	9	modifiable	modifiable	ADJ
concept-2687	221	10	substances	substance	NOUN
concept-2687	221	11	.	.	PUNCT
concept-2687	222	1	nccs	nccs	PROPN
concept-2687	222	2	possess	possess	VERB
concept-2687	222	3	a	a	DET
concept-2687	222	4	necessary	necessary	ADJ
concept-2687	222	5	and	and	CCONJ
concept-2687	222	6	sufficient	sufficient	ADJ
concept-2687	222	7	reason	reason	NOUN
concept-2687	222	8	to	to	PART
concept-2687	222	9	represent	represent	VERB
concept-2687	222	10	themselves	themselves	PRON
concept-2687	222	11	as	as	ADP
concept-2687	222	12	causal	causal	ADJ
concept-2687	222	13	beings	being	NOUN
concept-2687	222	14	.	.	PUNCT
concept-2687	223	1	13	13	NUM
concept-2687	223	2	references	reference	NOUN
concept-2687	223	3	aesop	aesop	PROPN
concept-2687	223	4	,	,	PUNCT
concept-2687	223	5	v.	v.	PROPN
concept-2687	223	6	,	,	PUNCT
concept-2687	223	7	&	&	CCONJ
concept-2687	223	8	rackham	rackham	PROPN
concept-2687	223	9	,	,	PUNCT
concept-2687	223	10	a.	a.	NOUN
concept-2687	223	11	(	(	PUNCT
concept-2687	223	12	1975	1975	NUM
concept-2687	223	13	)	)	PUNCT
concept-2687	223	14	.	.	PUNCT
concept-2687	224	1	aesop	aesop	PROPN
concept-2687	224	2	's	's	PART
concept-2687	224	3	fables	fable	NOUN
concept-2687	224	4	.	.	PUNCT
concept-2687	225	1	london	london	PROPN
concept-2687	225	2	:	:	PUNCT
concept-2687	225	3	pan	pan	NOUN
concept-2687	225	4	books	book	NOUN
concept-2687	225	5	.	.	PUNCT
concept-2687	226	1	barcell	barcell	NOUN
concept-2687	226	2	,	,	PUNCT
concept-2687	226	3	m.	m.	NOUN
concept-2687	226	4	,	,	PUNCT
concept-2687	226	5	benitez	benitez	PROPN
concept-2687	226	6	,	,	PUNCT
concept-2687	226	7	j.	j.	PROPN
concept-2687	226	8	r.	r.	PROPN
concept-2687	226	9	,	,	PUNCT
concept-2687	226	10	solera	solera	PROPN
concept-2687	226	11	,	,	PUNCT
concept-2687	226	12	f.	f.	PROPN
concept-2687	226	13	,	,	PUNCT
concept-2687	226	14	roman	roman	PROPN
concept-2687	226	15	,	,	PUNCT
concept-2687	226	16	b.	b.	PROPN
concept-2687	226	17	,	,	PUNCT
concept-2687	226	18	&	&	CCONJ
concept-2687	226	19	donazar	donazar	PROPN
concept-2687	226	20	,	,	PUNCT
concept-2687	226	21	j.	j.	PROPN
concept-2687	226	22	a.	a.	PROPN
concept-2687	226	23	(	(	PUNCT
concept-2687	226	24	2015	2015	NUM
concept-2687	226	25	)	)	PUNCT
concept-2687	226	26	.	.	PUNCT
concept-2687	227	1	egyptian	egyptian	ADJ
concept-2687	227	2	vulture	vulture	NOUN
concept-2687	227	3	(	(	PUNCT
concept-2687	227	4	neophron	neophron	PROPN
concept-2687	227	5	percnopterus	percnopterus	NOUN
concept-2687	227	6	)	)	PUNCT
concept-2687	227	7	uses	use	VERB
concept-2687	227	8	stone	stone	NOUN
concept-2687	227	9	-	-	PUNCT
concept-2687	227	10	throwing	throwing	NOUN
concept-2687	227	11	to	to	PART
concept-2687	227	12	break	break	VERB
concept-2687	227	13	into	into	ADP
concept-2687	227	14	a	a	DET
concept-2687	227	15	griffon	griffon	NOUN
concept-2687	227	16	vulture	vulture	NOUN
concept-2687	227	17	(	(	PUNCT
concept-2687	227	18	gyps	gyps	PROPN
concept-2687	227	19	fulvus	fulvus	ADJ
concept-2687	227	20	)	)	PUNCT
concept-2687	227	21	egg	egg	NOUN
concept-2687	227	22	.	.	PUNCT
concept-2687	228	1	j.	j.	PROPN
concept-2687	228	2	raptor	raptor	PROPN
concept-2687	228	3	res	re	NOUN
concept-2687	228	4	.	.	PUNCT
concept-2687	229	1	49(4):521–522	49(4):521–522	NUM
concept-2687	229	2	.	.	PUNCT
concept-2687	230	1	http://dx.doi.org/10.1016/j.jen.2012.03.003	http://dx.doi.org/10.1016/j.jen.2012.03.003	PROPN
concept-2687	230	2	bluff	bluff	PROPN
concept-2687	230	3	,	,	PUNCT
concept-2687	230	4	l.	l.	PROPN
concept-2687	230	5	a.	a.	PROPN
concept-2687	230	6	(	(	PUNCT
concept-2687	230	7	2006	2006	NUM
concept-2687	230	8	)	)	PUNCT
concept-2687	230	9	.	.	PUNCT
concept-2687	231	1	tool	tool	NOUN
concept-2687	231	2	-	-	PUNCT
concept-2687	231	3	related	relate	VERB
concept-2687	231	4	cognition	cognition	NOUN
concept-2687	231	5	in	in	ADP
concept-2687	231	6	new	new	ADJ
concept-2687	231	7	caledonian	caledonian	PROPN
concept-2687	231	8	crows	crow	NOUN
concept-2687	231	9	.	.	PUNCT
concept-2687	232	1	comparative	comparative	ADJ
concept-2687	232	2	cognition	cognition	NOUN
concept-2687	232	3	&	&	CCONJ
concept-2687	232	4	behavior	behavior	NOUN
concept-2687	232	5	reviews	review	NOUN
concept-2687	232	6	,	,	PUNCT
concept-2687	232	7	1	1	NUM
concept-2687	232	8	,	,	PUNCT
concept-2687	232	9	1–25	1–25	PROPN
concept-2687	232	10	.	.	PUNCT
concept-2687	233	1	https://doi.org/10.3819/ccbr.2008.20001	https://doi.org/10.3819/ccbr.2008.20001	PROPN
concept-2687	233	2	borsari	borsari	PROPN
concept-2687	233	3	,	,	PUNCT
concept-2687	233	4	a.	a.	NOUN
concept-2687	233	5	,	,	PUNCT
concept-2687	233	6	&	&	CCONJ
concept-2687	233	7	ottoni	ottoni	PROPN
concept-2687	233	8	,	,	PUNCT
concept-2687	233	9	e.	e.	PROPN
concept-2687	233	10	b.	b.	PROPN
concept-2687	233	11	(	(	PUNCT
concept-2687	233	12	2005	2005	NUM
concept-2687	233	13	)	)	PUNCT
concept-2687	233	14	.	.	PUNCT
concept-2687	234	1	preliminary	preliminary	ADJ
concept-2687	234	2	observations	observation	NOUN
concept-2687	234	3	of	of	ADP
concept-2687	234	4	tool	tool	NOUN
concept-2687	234	5	use	use	NOUN
concept-2687	234	6	in	in	ADP
concept-2687	234	7	captive	captive	ADJ
concept-2687	234	8	hyacinth	hyacinth	ADJ
concept-2687	234	9	macaws	macaw	NOUN
concept-2687	234	10	(	(	PUNCT
concept-2687	234	11	anodorhynchus	anodorhynchus	ADP
concept-2687	234	12	hyacinthinus	hyacinthinus	NOUN
concept-2687	234	13	)	)	PUNCT
concept-2687	234	14	.	.	PUNCT
concept-2687	235	1	animal	animal	NOUN
concept-2687	235	2	cognition	cognition	NOUN
concept-2687	235	3	,	,	PUNCT
concept-2687	235	4	8(1	8(1	NOUN
concept-2687	235	5	)	)	PUNCT
concept-2687	235	6	,	,	PUNCT
concept-2687	235	7	48–52	48–52	NUM
concept-2687	235	8	.	.	PUNCT
concept-2687	236	1	https://doi.org/10.1007/s10071-004-0221-3	https://doi.org/10.1007/s10071-004-0221-3	NUM
concept-2687	236	2	cabrera	cabrera	PROPN
concept-2687	236	3	-	-	PUNCT
concept-2687	236	4	álvarez	álvarez	PROPN
concept-2687	236	5	,	,	PUNCT
concept-2687	236	6	m.	m.	NOUN
concept-2687	236	7	j.	j.	PROPN
concept-2687	236	8	,	,	PUNCT
concept-2687	236	9	&	&	CCONJ
concept-2687	236	10	clayton	clayton	PROPN
concept-2687	236	11	,	,	PUNCT
concept-2687	236	12	n.	n.	PROPN
concept-2687	236	13	s.	s.	PROPN
concept-2687	236	14	(	(	PUNCT
concept-2687	236	15	2020	2020	NUM
concept-2687	236	16	)	)	PUNCT
concept-2687	236	17	.	.	PUNCT
concept-2687	237	1	neural	neural	ADJ
concept-2687	237	2	processes	process	NOUN
concept-2687	237	3	underlying	underlie	VERB
concept-2687	237	4	tool	tool	NOUN
concept-2687	237	5	use	use	NOUN
concept-2687	237	6	in	in	ADP
concept-2687	237	7	humans	human	NOUN
concept-2687	237	8	,	,	PUNCT
concept-2687	237	9	macaques	macaque	NOUN
concept-2687	237	10	,	,	PUNCT
concept-2687	237	11	and	and	CCONJ
concept-2687	237	12	corvids	corvid	NOUN
concept-2687	237	13	.	.	PUNCT
concept-2687	238	1	frontiers	frontier	NOUN
concept-2687	238	2	in	in	ADP
concept-2687	238	3	psychology	psychology	NOUN
concept-2687	238	4	,	,	PUNCT
concept-2687	238	5	11(september	11(september	NUM
concept-2687	238	6	)	)	PUNCT
concept-2687	238	7	,	,	PUNCT
concept-2687	238	8	1–11	1–11	PROPN
concept-2687	238	9	.	.	PUNCT
concept-2687	239	1	https://doi.org/10.3389/fpsyg.2020.560669	https://doi.org/10.3389/fpsyg.2020.560669	PROPN
concept-2687	239	2	chappell	chappell	PROPN
concept-2687	239	3	,	,	PUNCT
concept-2687	239	4	j.	j.	PROPN
concept-2687	239	5	,	,	PUNCT
concept-2687	239	6	&	&	CCONJ
concept-2687	239	7	kacelnik	kacelnik	PROPN
concept-2687	239	8	,	,	PUNCT
concept-2687	239	9	a.	a.	NOUN
concept-2687	239	10	(	(	PUNCT
concept-2687	239	11	2002	2002	NUM
concept-2687	239	12	)	)	PUNCT
concept-2687	239	13	.	.	PUNCT
concept-2687	240	1	tool	tool	NOUN
concept-2687	240	2	selectivity	selectivity	NOUN
concept-2687	240	3	in	in	ADP
concept-2687	240	4	a	a	DET
concept-2687	240	5	non	non	ADJ
concept-2687	240	6	-	-	NOUN
concept-2687	240	7	primate	primate	ADJ
concept-2687	240	8	,	,	PUNCT
concept-2687	240	9	the	the	DET
concept-2687	240	10	new	new	ADJ
concept-2687	240	11	caledonian	caledonian	PROPN
concept-2687	240	12	crow	crow	NOUN
concept-2687	240	13	(	(	PUNCT
concept-2687	240	14	corvus	corvus	PROPN
concept-2687	240	15	moneduloides	moneduloides	PROPN
concept-2687	240	16	)	)	PUNCT
concept-2687	240	17	.	.	PUNCT
concept-2687	241	1	animal	animal	NOUN
concept-2687	241	2	cognition	cognition	NOUN
concept-2687	241	3	,	,	PUNCT
concept-2687	241	4	5(2	5(2	NUM
concept-2687	241	5	)	)	PUNCT
concept-2687	241	6	.	.	PUNCT
concept-2687	242	1	https://doi.org/10.1007/s10071-002-0130-2	https://doi.org/10.1007/s10071-002-0130-2	PROPN
concept-2687	242	2	chappell	chappell	PROPN
concept-2687	242	3	,	,	PUNCT
concept-2687	242	4	j.	j.	PROPN
concept-2687	242	5	,	,	PUNCT
concept-2687	242	6	&	&	CCONJ
concept-2687	242	7	kacelnik	kacelnik	PROPN
concept-2687	242	8	,	,	PUNCT
concept-2687	242	9	a.	a.	NOUN
concept-2687	242	10	(	(	PUNCT
concept-2687	242	11	2004	2004	NUM
concept-2687	242	12	)	)	PUNCT
concept-2687	242	13	.	.	PUNCT
concept-2687	243	1	selection	selection	NOUN
concept-2687	243	2	of	of	ADP
concept-2687	243	3	tool	tool	NOUN
concept-2687	243	4	diameter	diameter	NOUN
concept-2687	243	5	by	by	ADP
concept-2687	243	6	new	new	ADJ
concept-2687	243	7	caledonian	caledonian	PROPN
concept-2687	243	8	crows	crow	VERB
concept-2687	243	9	corvus	corvus	PROPN
concept-2687	243	10	moneduloides	moneduloide	NOUN
concept-2687	243	11	.	.	PUNCT
concept-2687	244	1	animal	animal	NOUN
concept-2687	244	2	cognition	cognition	NOUN
concept-2687	244	3	,	,	PUNCT
concept-2687	244	4	7(2	7(2	NUM
concept-2687	244	5	)	)	PUNCT
concept-2687	244	6	,	,	PUNCT
concept-2687	244	7	121–127	121–127	NUM
concept-2687	244	8	.	.	PUNCT
concept-2687	245	1	https://doi.org/10.1007/s10071003-0202-y	https://doi.org/10.1007/s10071003-0202-y	NOUN
concept-2687	245	2	cristol	cristol	ADJ
concept-2687	245	3	,	,	PUNCT
concept-2687	245	4	d.	d.	PROPN
concept-2687	245	5	a.	a.	PROPN
concept-2687	245	6	,	,	PUNCT
concept-2687	245	7	&	&	CCONJ
concept-2687	245	8	switzer	switzer	PROPN
concept-2687	245	9	,	,	PUNCT
concept-2687	245	10	p.v	p.v	PROPN
concept-2687	245	11	.	.	PROPN
concept-2687	245	12	(	(	PUNCT
concept-2687	245	13	1999	1999	NUM
concept-2687	245	14	)	)	PUNCT
concept-2687	245	15	.	.	PUNCT
concept-2687	246	1	avian	avian	ADJ
concept-2687	246	2	prey	prey	NOUN
concept-2687	246	3	-	-	PUNCT
concept-2687	246	4	dropping	drop	VERB
concept-2687	246	5	behavior	behavior	NOUN
concept-2687	246	6	.	.	PUNCT
concept-2687	247	1	ii	ii	PROPN
concept-2687	247	2	.	.	PUNCT
concept-2687	248	1	american	american	PROPN
concept-2687	248	2	crows	crow	NOUN
concept-2687	248	3	and	and	CCONJ
concept-2687	248	4	walnuts	walnut	NOUN
concept-2687	248	5	.	.	PUNCT
concept-2687	249	1	behavioral	behavioral	ADJ
concept-2687	249	2	ecology	ecology	NOUN
concept-2687	249	3	,	,	PUNCT
concept-2687	249	4	10(3	10(3	NUM
concept-2687	249	5	)	)	PUNCT
concept-2687	249	6	,	,	PUNCT
concept-2687	249	7	220–226	220–226	NUM
concept-2687	249	8	.	.	PUNCT
concept-2687	250	1	https://doi.org/10.1093/beheco/10.3.220	https://doi.org/10.1093/beheco/10.3.220	VERB
concept-2687	250	2	emery	emery	NOUN
concept-2687	250	3	,	,	PUNCT
concept-2687	250	4	nathan	nathan	PROPN
concept-2687	250	5	j.	j.	PROPN
concept-2687	250	6	&	&	CCONJ
concept-2687	250	7	clayton	clayton	PROPN
concept-2687	250	8	,	,	PUNCT
concept-2687	250	9	n.	n.	PROPN
concept-2687	250	10	s.	s.	PROPN
concept-2687	250	11	(	(	PUNCT
concept-2687	250	12	2004	2004	NUM
concept-2687	250	13	)	)	PUNCT
concept-2687	250	14	.	.	PUNCT
concept-2687	251	1	convergent	convergent	ADJ
concept-2687	251	2	evolution	evolution	NOUN
concept-2687	251	3	of	of	ADP
concept-2687	251	4	intelligence	intelligence	NOUN
concept-2687	251	5	in	in	ADP
concept-2687	251	6	corvids	corvid	NOUN
concept-2687	251	7	and	and	CCONJ
concept-2687	251	8	apes	ape	NOUN
concept-2687	251	9	.	.	PUNCT
concept-2687	252	1	science	science	NOUN
concept-2687	252	2	,	,	PUNCT
concept-2687	252	3	306	306	NUM
concept-2687	252	4	,	,	PUNCT
concept-2687	252	5	1903–1908	1903–1908	NUM
concept-2687	252	6	.	.	PUNCT
concept-2687	253	1	fritz	fritz	PROPN
concept-2687	253	2	,	,	PUNCT
concept-2687	253	3	j.	j.	PROPN
concept-2687	253	4	,	,	PUNCT
concept-2687	253	5	&	&	CCONJ
concept-2687	253	6	kotrschal	kotrschal	PROPN
concept-2687	253	7	,	,	PUNCT
concept-2687	253	8	k.	k.	PROPN
concept-2687	253	9	(	(	PUNCT
concept-2687	253	10	1999	1999	NUM
concept-2687	253	11	)	)	PUNCT
concept-2687	253	12	.	.	PUNCT
concept-2687	254	1	social	social	ADJ
concept-2687	254	2	learning	learning	NOUN
concept-2687	254	3	in	in	ADP
concept-2687	254	4	common	common	ADJ
concept-2687	254	5	ravens	raven	NOUN
concept-2687	254	6	,	,	PUNCT
concept-2687	254	7	corvus	corvus	NOUN
concept-2687	254	8	corax	corax	NOUN
concept-2687	254	9	.	.	PUNCT
concept-2687	255	1	animal	animal	NOUN
concept-2687	255	2	http://dx.doi.org/10.1016/j.jen.2012.03.003	http://dx.doi.org/10.1016/j.jen.2012.03.003	NOUN
concept-2687	255	3	14	14	NUM
concept-2687	255	4	behaviour	behaviour	NOUN
concept-2687	255	5	,	,	PUNCT
concept-2687	255	6	57(4	57(4	NUM
concept-2687	255	7	)	)	PUNCT
concept-2687	255	8	,	,	PUNCT
concept-2687	255	9	785–793	785–793	NUM
concept-2687	255	10	.	.	PUNCT
concept-2687	256	1	https://doi.org/10.1006/anbe.1998.1035	https://doi.org/10.1006/anbe.1998.1035	PROPN
concept-2687	256	2	hiroyoshi	hiroyoshi	PROPN
concept-2687	256	3	,	,	PUNCT
concept-2687	256	4	h.	h.	PROPN
concept-2687	256	5	(	(	PUNCT
concept-2687	256	6	1986	1986	NUM
concept-2687	256	7	)	)	PUNCT
concept-2687	256	8	.	.	PUNCT
concept-2687	257	1	individual	individual	ADJ
concept-2687	257	2	differences	difference	NOUN
concept-2687	257	3	in	in	ADP
concept-2687	257	4	bait	bait	NOUN
concept-2687	257	5	-	-	PUNCT
concept-2687	257	6	fishing	fishing	NOUN
concept-2687	257	7	by	by	ADP
concept-2687	257	8	the	the	DET
concept-2687	257	9	green	green	NOUN
concept-2687	257	10	-	-	PUNCT
concept-2687	257	11	backed	back	VERB
concept-2687	257	12	heron	heron	NOUN
concept-2687	257	13	.	.	PUNCT
concept-2687	258	1	ibis	ibis	PROPN
concept-2687	258	2	,	,	PUNCT
concept-2687	258	3	130	130	NUM
concept-2687	258	4	,	,	PUNCT
concept-2687	258	5	39–44	39–44	NUM
concept-2687	258	6	.	.	PUNCT
concept-2687	259	1	hiroyoshi	hiroyoshi	PROPN
concept-2687	259	2	,	,	PUNCT
concept-2687	259	3	h.	h.	PROPN
concept-2687	259	4	(	(	PUNCT
concept-2687	259	5	1985	1985	NUM
concept-2687	259	6	)	)	PUNCT
concept-2687	259	7	.	.	PUNCT
concept-2687	260	1	bait	bait	NOUN
concept-2687	260	2	-	-	PUNCT
concept-2687	260	3	fishing	fishing	NOUN
concept-2687	260	4	by	by	ADP
concept-2687	260	5	the	the	DET
concept-2687	260	6	green	green	NOUN
concept-2687	260	7	-	-	PUNCT
concept-2687	260	8	backed	back	VERB
concept-2687	260	9	heron	heron	NOUN
concept-2687	260	10	.	.	PUNCT
concept-2687	261	1	short	short	ADJ
concept-2687	261	2	communications	communication	NOUN
concept-2687	261	3	,	,	PUNCT
concept-2687	261	4	285–290	285–290	NUM
concept-2687	261	5	.	.	PUNCT
concept-2687	262	1	hunt	hunt	NOUN
concept-2687	262	2	,	,	PUNCT
concept-2687	262	3	g.	g.	PROPN
concept-2687	262	4	r.	r.	PROPN
concept-2687	262	5	(	(	PUNCT
concept-2687	262	6	2000	2000	NUM
concept-2687	262	7	)	)	PUNCT
concept-2687	262	8	.	.	PUNCT
concept-2687	263	1	tool	tool	NOUN
concept-2687	263	2	use	use	NOUN
concept-2687	263	3	by	by	ADP
concept-2687	263	4	the	the	DET
concept-2687	263	5	new	new	ADJ
concept-2687	263	6	caledonian	caledonian	PROPN
concept-2687	263	7	crow	crow	PROPN
concept-2687	263	8	corvus	corvus	PROPN
concept-2687	263	9	moneduloides	moneduloide	NOUN
concept-2687	263	10	to	to	PART
concept-2687	263	11	obtain	obtain	VERB
concept-2687	263	12	cerambycidae	cerambycidae	NOUN
concept-2687	263	13	from	from	ADP
concept-2687	263	14	dead	dead	ADJ
concept-2687	263	15	wood	wood	NOUN
concept-2687	263	16	.	.	PUNCT
concept-2687	264	1	emu	emu	PROPN
concept-2687	264	2	,	,	PUNCT
concept-2687	264	3	100(2	100(2	NUM
concept-2687	264	4	)	)	PUNCT
concept-2687	264	5	,	,	PUNCT
concept-2687	264	6	109–114	109–114	NUM
concept-2687	264	7	.	.	PUNCT
concept-2687	265	1	https://doi.org/10.1071/mu9852	https://doi.org/10.1071/mu9852	NUM
concept-2687	265	2	hunt	hunt	NOUN
concept-2687	265	3	,	,	PUNCT
concept-2687	265	4	g.	g.	PROPN
concept-2687	265	5	r.	r.	PROPN
concept-2687	265	6	,	,	PUNCT
concept-2687	265	7	corballis	corballis	PROPN
concept-2687	265	8	,	,	PUNCT
concept-2687	265	9	m.	m.	PROPN
concept-2687	265	10	c.	c.	PROPN
concept-2687	265	11	,	,	PUNCT
concept-2687	265	12	&	&	CCONJ
concept-2687	265	13	gray	gray	PROPN
concept-2687	265	14	,	,	PUNCT
concept-2687	265	15	r.	r.	PROPN
concept-2687	265	16	d.	d.	PROPN
concept-2687	265	17	(	(	PUNCT
concept-2687	265	18	2006	2006	NUM
concept-2687	265	19	)	)	PUNCT
concept-2687	265	20	.	.	PUNCT
concept-2687	266	1	design	design	NOUN
concept-2687	266	2	complexity	complexity	NOUN
concept-2687	266	3	and	and	CCONJ
concept-2687	266	4	strength	strength	NOUN
concept-2687	266	5	of	of	ADP
concept-2687	266	6	laterality	laterality	NOUN
concept-2687	266	7	are	be	AUX
concept-2687	266	8	correlated	correlate	VERB
concept-2687	266	9	in	in	ADP
concept-2687	266	10	new	new	ADJ
concept-2687	266	11	caledonian	caledonian	PROPN
concept-2687	266	12	crows	crows	PROPN
concept-2687	266	13	’	'	PUNCT
concept-2687	266	14	pandanus	pandanus	NOUN
concept-2687	266	15	tool	tool	NOUN
concept-2687	266	16	manufacture	manufacture	NOUN
concept-2687	266	17	.	.	PUNCT
concept-2687	267	1	proceedings	proceeding	NOUN
concept-2687	267	2	of	of	ADP
concept-2687	267	3	the	the	DET
concept-2687	267	4	royal	royal	ADJ
concept-2687	267	5	society	society	NOUN
concept-2687	267	6	b	b	PROPN
concept-2687	267	7	:	:	PUNCT
concept-2687	267	8	biological	biological	ADJ
concept-2687	267	9	sciences	science	NOUN
concept-2687	267	10	,	,	PUNCT
concept-2687	267	11	273(1590	273(1590	NUM
concept-2687	267	12	)	)	PUNCT
concept-2687	267	13	,	,	PUNCT
concept-2687	267	14	1127–1133	1127–1133	NUM
concept-2687	267	15	.	.	PUNCT
concept-2687	268	1	https://doi.org/10.1098/rspb.2005.3429	https://doi.org/10.1098/rspb.2005.3429	NOUN
concept-2687	268	2	hunt	hunt	NOUN
concept-2687	268	3	,	,	PUNCT
concept-2687	268	4	g.	g.	PROPN
concept-2687	268	5	r.	r.	PROPN
concept-2687	268	6	,	,	PUNCT
concept-2687	268	7	&	&	CCONJ
concept-2687	268	8	gray	gray	PROPN
concept-2687	268	9	,	,	PUNCT
concept-2687	268	10	r.	r.	PROPN
concept-2687	268	11	d.	d.	PROPN
concept-2687	268	12	(	(	PUNCT
concept-2687	268	13	2002	2002	NUM
concept-2687	268	14	)	)	PUNCT
concept-2687	268	15	.	.	PUNCT
concept-2687	269	1	species	species	NOUN
concept-2687	269	2	-	-	PUNCT
concept-2687	269	3	wide	wide	ADJ
concept-2687	269	4	manufacture	manufacture	NOUN
concept-2687	269	5	of	of	ADP
concept-2687	269	6	stick	stick	NOUN
concept-2687	269	7	-	-	PUNCT
concept-2687	269	8	type	type	NOUN
concept-2687	269	9	tools	tool	NOUN
concept-2687	269	10	by	by	ADP
concept-2687	269	11	new	new	ADJ
concept-2687	269	12	caledonian	caledonian	PROPN
concept-2687	269	13	crows	crow	NOUN
concept-2687	269	14	.	.	PUNCT
concept-2687	270	1	emu	emu	PROPN
concept-2687	270	2	austral	austral	ADJ
concept-2687	270	3	ornithology	ornithology	NOUN
concept-2687	270	4	,	,	PUNCT
concept-2687	270	5	102(4	102(4	NUM
concept-2687	270	6	)	)	PUNCT
concept-2687	270	7	,	,	PUNCT
concept-2687	270	8	349–353	349–353	NUM
concept-2687	270	9	.	.	PUNCT
concept-2687	271	1	https://doi.org/10.1071/mu01056	https://doi.org/10.1071/mu01056	PROPN
concept-2687	271	2	hunt	hunt	NOUN
concept-2687	271	3	,	,	PUNCT
concept-2687	271	4	g.	g.	PROPN
concept-2687	271	5	r.	r.	PROPN
concept-2687	271	6	,	,	PUNCT
concept-2687	271	7	&	&	CCONJ
concept-2687	271	8	gray	gray	PROPN
concept-2687	271	9	,	,	PUNCT
concept-2687	271	10	r.	r.	PROPN
concept-2687	271	11	d.	d.	PROPN
concept-2687	271	12	(	(	PUNCT
concept-2687	271	13	2003	2003	NUM
concept-2687	271	14	)	)	PUNCT
concept-2687	271	15	.	.	PUNCT
concept-2687	272	1	diversification	diversification	NOUN
concept-2687	272	2	and	and	CCONJ
concept-2687	272	3	cumulative	cumulative	ADJ
concept-2687	272	4	evolution	evolution	NOUN
concept-2687	272	5	in	in	ADP
concept-2687	272	6	new	new	ADJ
concept-2687	272	7	caledonian	caledonian	PROPN
concept-2687	272	8	crow	crow	PROPN
concept-2687	272	9	tool	tool	PROPN
concept-2687	272	10	manufacture	manufacture	NOUN
concept-2687	272	11	.	.	PUNCT
concept-2687	273	1	proceedings	proceeding	NOUN
concept-2687	273	2	of	of	ADP
concept-2687	273	3	the	the	DET
concept-2687	273	4	royal	royal	ADJ
concept-2687	273	5	society	society	NOUN
concept-2687	273	6	b	b	PROPN
concept-2687	273	7	:	:	PUNCT
concept-2687	273	8	biological	biological	ADJ
concept-2687	273	9	sciences	science	NOUN
concept-2687	273	10	,	,	PUNCT
concept-2687	273	11	270(1517	270(1517	NUM
concept-2687	273	12	)	)	PUNCT
concept-2687	273	13	,	,	PUNCT
concept-2687	273	14	867–874	867–874	NUM
concept-2687	273	15	.	.	PUNCT
concept-2687	274	1	https://doi.org/10.1098/rspb.2002.2302	https://doi.org/10.1098/rspb.2002.2302	PROPN
concept-2687	274	2	hunt	hunt	NOUN
concept-2687	274	3	,	,	PUNCT
concept-2687	274	4	g.	g.	PROPN
concept-2687	274	5	r.	r.	PROPN
concept-2687	274	6	,	,	PUNCT
concept-2687	274	7	&	&	CCONJ
concept-2687	274	8	gray	gray	PROPN
concept-2687	274	9	,	,	PUNCT
concept-2687	274	10	r.	r.	PROPN
concept-2687	274	11	d.	d.	PROPN
concept-2687	274	12	(	(	PUNCT
concept-2687	274	13	2004	2004	NUM
concept-2687	274	14	)	)	PUNCT
concept-2687	274	15	.	.	PUNCT
concept-2687	275	1	direct	direct	ADJ
concept-2687	275	2	observations	observation	NOUN
concept-2687	275	3	of	of	ADP
concept-2687	275	4	pandanus	pandanus	NOUN
concept-2687	275	5	-	-	PUNCT
concept-2687	275	6	tool	tool	NOUN
concept-2687	275	7	manufacture	manufacture	NOUN
concept-2687	275	8	and	and	CCONJ
concept-2687	275	9	use	use	NOUN
concept-2687	275	10	by	by	ADP
concept-2687	275	11	a	a	DET
concept-2687	275	12	new	new	ADJ
concept-2687	275	13	caledonian	caledonian	NOUN
concept-2687	275	14	crow	crow	NOUN
concept-2687	275	15	(	(	PUNCT
concept-2687	275	16	corvus	corvus	PROPN
concept-2687	275	17	moneduloides	moneduloides	PROPN
concept-2687	275	18	)	)	PUNCT
concept-2687	275	19	.	.	PUNCT
concept-2687	276	1	animal	animal	NOUN
concept-2687	276	2	cognition	cognition	NOUN
concept-2687	276	3	,	,	PUNCT
concept-2687	276	4	7(2	7(2	NUM
concept-2687	276	5	)	)	PUNCT
concept-2687	276	6	,	,	PUNCT
concept-2687	276	7	114–120	114–120	NUM
concept-2687	276	8	.	.	PUNCT
concept-2687	277	1	https://doi.org/10.1007/s10071-003-0200-0	https://doi.org/10.1007/s10071-003-0200-0	NUM
concept-2687	277	2	hunt	hunt	NOUN
concept-2687	277	3	,	,	PUNCT
concept-2687	277	4	g.	g.	PROPN
concept-2687	277	5	r.	r.	PROPN
concept-2687	277	6	,	,	PUNCT
concept-2687	277	7	&	&	CCONJ
concept-2687	277	8	gray	gray	PROPN
concept-2687	277	9	,	,	PUNCT
concept-2687	277	10	r.	r.	PROPN
concept-2687	277	11	d.	d.	PROPN
concept-2687	277	12	(	(	PUNCT
concept-2687	277	13	2004	2004	NUM
concept-2687	277	14	)	)	PUNCT
concept-2687	277	15	.	.	PUNCT
concept-2687	278	1	the	the	DET
concept-2687	278	2	crafting	crafting	NOUN
concept-2687	278	3	of	of	ADP
concept-2687	278	4	hook	hook	NOUN
concept-2687	278	5	tools	tool	NOUN
concept-2687	278	6	by	by	ADP
concept-2687	278	7	wild	wild	ADJ
concept-2687	278	8	new	new	ADJ
concept-2687	278	9	caledonian	caledonian	PROPN
concept-2687	278	10	crows	crow	NOUN
concept-2687	278	11	.	.	PUNCT
concept-2687	279	1	proceedings	proceeding	NOUN
concept-2687	279	2	of	of	ADP
concept-2687	279	3	the	the	DET
concept-2687	279	4	royal	royal	ADJ
concept-2687	279	5	society	society	NOUN
concept-2687	279	6	b	b	PROPN
concept-2687	279	7	:	:	PUNCT
concept-2687	279	8	biological	biological	ADJ
concept-2687	279	9	sciences	science	NOUN
concept-2687	279	10	,	,	PUNCT
concept-2687	279	11	271(suppl	271(suppl	NOUN
concept-2687	279	12	.	.	PUNCT
concept-2687	280	1	3	3	NUM
concept-2687	280	2	)	)	PUNCT
concept-2687	280	3	,	,	PUNCT
concept-2687	280	4	88–90	88–90	NUM
concept-2687	280	5	.	.	PUNCT
concept-2687	281	1	https://doi.org/10.1098/rsbl.2003.0085	https://doi.org/10.1098/rsbl.2003.0085	PROPN
concept-2687	281	2	hunt	hunt	NOUN
concept-2687	281	3	,	,	PUNCT
concept-2687	281	4	g.	g.	PROPN
concept-2687	281	5	r.	r.	PROPN
concept-2687	281	6	,	,	PUNCT
concept-2687	281	7	rutledge	rutledge	PROPN
concept-2687	281	8	,	,	PUNCT
concept-2687	281	9	r.	r.	PROPN
concept-2687	281	10	b.	b.	PROPN
concept-2687	281	11	,	,	PUNCT
concept-2687	281	12	&	&	CCONJ
concept-2687	281	13	gray	gray	PROPN
concept-2687	281	14	,	,	PUNCT
concept-2687	281	15	r.	r.	PROPN
concept-2687	281	16	d.	d.	PROPN
concept-2687	281	17	(	(	PUNCT
concept-2687	281	18	2006	2006	NUM
concept-2687	281	19	)	)	PUNCT
concept-2687	281	20	.	.	PUNCT
concept-2687	282	1	the	the	DET
concept-2687	282	2	right	right	ADJ
concept-2687	282	3	tool	tool	NOUN
concept-2687	282	4	for	for	ADP
concept-2687	282	5	the	the	DET
concept-2687	282	6	job	job	NOUN
concept-2687	282	7	:	:	PUNCT
concept-2687	282	8	what	what	DET
concept-2687	282	9	strategies	strategy	NOUN
concept-2687	282	10	do	do	VERB
concept-2687	282	11	wild	wild	ADJ
concept-2687	282	12	new	new	ADJ
concept-2687	282	13	caledonian	caledonian	PROPN
concept-2687	282	14	crows	crow	VERB
concept-2687	282	15	use	use	VERB
concept-2687	282	16	?	?	PUNCT
concept-2687	283	1	animal	animal	NOUN
concept-2687	283	2	cognition	cognition	NOUN
concept-2687	283	3	,	,	PUNCT
concept-2687	283	4	9(4	9(4	NUM
concept-2687	283	5	)	)	PUNCT
concept-2687	283	6	,	,	PUNCT
concept-2687	283	7	307–316	307–316	NUM
concept-2687	283	8	.	.	PUNCT
concept-2687	284	1	https://doi.org/10.1007/s1007115	https://doi.org/10.1007/s1007115	PRON
concept-2687	284	2	006	006	NUM
concept-2687	284	3	-	-	PUNCT
concept-2687	284	4	0047	0047	NUM
concept-2687	284	5	-	-	SYM
concept-2687	284	6	2	2	NUM
concept-2687	284	7	hunt	hunt	NOUN
concept-2687	284	8	,	,	PUNCT
concept-2687	284	9	g.	g.	PROPN
concept-2687	284	10	r.	r.	PROPN
concept-2687	284	11	,	,	PUNCT
concept-2687	284	12	sakuma	sakuma	PROPN
concept-2687	284	13	,	,	PUNCT
concept-2687	284	14	f.	f.	PROPN
concept-2687	284	15	,	,	PUNCT
concept-2687	284	16	&	&	CCONJ
concept-2687	284	17	shibata	shibata	PROPN
concept-2687	284	18	,	,	PUNCT
concept-2687	284	19	y.	y.	PROPN
concept-2687	284	20	(	(	PUNCT
concept-2687	284	21	2002	2002	NUM
concept-2687	284	22	)	)	PUNCT
concept-2687	284	23	.	.	PUNCT
concept-2687	285	1	new	new	ADJ
concept-2687	285	2	caledonian	caledonian	PROPN
concept-2687	285	3	crows	crow	VERB
concept-2687	285	4	drop	drop	VERB
concept-2687	285	5	candle	candle	NOUN
concept-2687	285	6	-	-	PUNCT
concept-2687	285	7	nuts	nuts	NOUN
concept-2687	285	8	onto	onto	ADP
concept-2687	285	9	rock	rock	NOUN
concept-2687	285	10	from	from	ADP
concept-2687	285	11	communally	communally	ADV
concept-2687	285	12	used	use	VERB
concept-2687	285	13	forks	fork	NOUN
concept-2687	285	14	on	on	ADP
concept-2687	285	15	branches	branch	NOUN
concept-2687	285	16	.	.	PUNCT
concept-2687	286	1	emu	emu	PROPN
concept-2687	286	2	,	,	PUNCT
concept-2687	286	3	102(3	102(3	NUM
concept-2687	286	4	)	)	PUNCT
concept-2687	286	5	,	,	PUNCT
concept-2687	286	6	283–290	283–290	NUM
concept-2687	286	7	.	.	PUNCT
concept-2687	287	1	https://doi.org/10.1071/mu01037	https://doi.org/10.1071/mu01037	NOUN
concept-2687	287	2	hunt	hunt	NOUN
concept-2687	287	3	,	,	PUNCT
concept-2687	287	4	g.	g.	PROPN
concept-2687	287	5	r.	r.	PROPN
concept-2687	287	6	(	(	PUNCT
concept-2687	287	7	2000	2000	NUM
concept-2687	287	8	)	)	PUNCT
concept-2687	287	9	.	.	PUNCT
concept-2687	288	1	human	human	ADJ
concept-2687	288	2	–	–	PUNCT
concept-2687	288	3	like	like	ADJ
concept-2687	288	4	,	,	PUNCT
concept-2687	288	5	population	population	NOUN
concept-2687	288	6	–	–	PUNCT
concept-2687	288	7	level	level	NOUN
concept-2687	288	8	specialization	specialization	NOUN
concept-2687	288	9	in	in	ADP
concept-2687	288	10	the	the	DET
concept-2687	288	11	manufacture	manufacture	NOUN
concept-2687	288	12	of	of	ADP
concept-2687	288	13	pandanus	pandanus	NOUN
concept-2687	288	14	tools	tool	NOUN
concept-2687	288	15	by	by	ADP
concept-2687	288	16	new	new	ADJ
concept-2687	288	17	caledonian	caledonian	PROPN
concept-2687	288	18	crows	crow	VERB
concept-2687	288	19	corvus	corvus	PROPN
concept-2687	288	20	moneduloides	moneduloide	NOUN
concept-2687	288	21	.	.	PUNCT
concept-2687	289	1	proceedings	proceeding	NOUN
concept-2687	289	2	of	of	ADP
concept-2687	289	3	the	the	DET
concept-2687	289	4	royal	royal	ADJ
concept-2687	289	5	society	society	NOUN
concept-2687	289	6	of	of	ADP
concept-2687	289	7	london	london	PROPN
concept-2687	289	8	.	.	PUNCT
concept-2687	290	1	series	series	PROPN
concept-2687	290	2	b	b	PROPN
concept-2687	290	3	:	:	PUNCT
concept-2687	290	4	biological	biological	ADJ
concept-2687	290	5	sciences	science	NOUN
concept-2687	290	6	,	,	PUNCT
concept-2687	290	7	267(1441	267(1441	NUM
concept-2687	290	8	)	)	PUNCT
concept-2687	290	9	,	,	PUNCT
concept-2687	290	10	403–413	403–413	NUM
concept-2687	290	11	.	.	PUNCT
concept-2687	291	1	https://doi.org/10.1098/rspb.2000.1015	https://doi.org/10.1098/rspb.2000.1015	PROPN
concept-2687	291	2	jarvis	jarvis	PROPN
concept-2687	291	3	,	,	PUNCT
concept-2687	291	4	e.	e.	PROPN
concept-2687	291	5	d.	d.	PROPN
concept-2687	291	6	,	,	PUNCT
concept-2687	291	7	güntürkün	güntürkün	NOUN
concept-2687	291	8	,	,	PUNCT
concept-2687	291	9	o.	o.	PROPN
concept-2687	291	10	,	,	PUNCT
concept-2687	291	11	bruce	bruce	PROPN
concept-2687	291	12	,	,	PUNCT
concept-2687	291	13	l.	l.	PROPN
concept-2687	291	14	,	,	PUNCT
concept-2687	291	15	csillag	csillag	NOUN
concept-2687	291	16	,	,	PUNCT
concept-2687	291	17	a.	a.	NOUN
concept-2687	291	18	,	,	PUNCT
concept-2687	291	19	karten	karten	PROPN
concept-2687	291	20	,	,	PUNCT
concept-2687	291	21	h.	h.	PROPN
concept-2687	291	22	,	,	PUNCT
concept-2687	291	23	kuenzel	kuenzel	PROPN
concept-2687	291	24	,	,	PUNCT
concept-2687	291	25	w.	w.	PROPN
concept-2687	291	26	,	,	PUNCT
concept-2687	291	27	medina	medina	PROPN
concept-2687	291	28	,	,	PUNCT
concept-2687	291	29	l.	l.	PROPN
concept-2687	291	30	,	,	PUNCT
concept-2687	291	31	paxinos	paxino	NOUN
concept-2687	291	32	,	,	PUNCT
concept-2687	291	33	g.	g.	PROPN
concept-2687	291	34	,	,	PUNCT
concept-2687	291	35	perkel	perkel	PROPN
concept-2687	291	36	,	,	PUNCT
concept-2687	291	37	d.	d.	PROPN
concept-2687	291	38	j.	j.	PROPN
concept-2687	291	39	,	,	PUNCT
concept-2687	291	40	shimizu	shimizu	PROPN
concept-2687	291	41	,	,	PUNCT
concept-2687	291	42	t.	t.	PROPN
concept-2687	291	43	,	,	PUNCT
concept-2687	291	44	striedter	striedter	NOUN
concept-2687	291	45	,	,	PUNCT
concept-2687	291	46	g.	g.	PROPN
concept-2687	291	47	,	,	PUNCT
concept-2687	291	48	wild	wild	PROPN
concept-2687	291	49	,	,	PUNCT
concept-2687	291	50	j.	j.	PROPN
concept-2687	291	51	m.	m.	PROPN
concept-2687	291	52	,	,	PUNCT
concept-2687	291	53	ball	ball	PROPN
concept-2687	291	54	,	,	PUNCT
concept-2687	291	55	g.	g.	PROPN
concept-2687	291	56	f.	f.	PROPN
concept-2687	291	57	,	,	PUNCT
concept-2687	291	58	dugas	dugas	PROPN
concept-2687	291	59	-	-	PUNCT
concept-2687	291	60	ford	ford	PROPN
concept-2687	291	61	,	,	PUNCT
concept-2687	291	62	j.	j.	PROPN
concept-2687	291	63	,	,	PUNCT
concept-2687	291	64	durand	durand	PROPN
concept-2687	291	65	,	,	PUNCT
concept-2687	291	66	s.	s.	PROPN
concept-2687	291	67	e.	e.	PROPN
concept-2687	291	68	,	,	PUNCT
concept-2687	291	69	hough	hough	PROPN
concept-2687	291	70	,	,	PUNCT
concept-2687	291	71	g.	g.	PROPN
concept-2687	291	72	e.	e.	PROPN
concept-2687	291	73	,	,	PUNCT
concept-2687	291	74	husband	husband	PROPN
concept-2687	291	75	,	,	PUNCT
concept-2687	291	76	s.	s.	PROPN
concept-2687	291	77	,	,	PUNCT
concept-2687	291	78	kubikova	kubikova	PROPN
concept-2687	291	79	,	,	PUNCT
concept-2687	291	80	l.	l.	PROPN
concept-2687	291	81	,	,	PUNCT
concept-2687	291	82	lee	lee	PROPN
concept-2687	291	83	,	,	PUNCT
concept-2687	291	84	d.	d.	PROPN
concept-2687	291	85	w.	w.	PROPN
concept-2687	291	86	,	,	PUNCT
concept-2687	291	87	…	…	PUNCT
concept-2687	291	88	butler	butler	NOUN
concept-2687	291	89	,	,	PUNCT
concept-2687	291	90	a.	a.	PROPN
concept-2687	291	91	b.	b.	PROPN
concept-2687	291	92	(	(	PUNCT
concept-2687	291	93	2005	2005	NUM
concept-2687	291	94	)	)	PUNCT
concept-2687	291	95	.	.	PUNCT
concept-2687	292	1	avian	avian	ADJ
concept-2687	292	2	brains	brain	NOUN
concept-2687	292	3	and	and	CCONJ
concept-2687	292	4	a	a	DET
concept-2687	292	5	new	new	ADJ
concept-2687	292	6	understanding	understanding	NOUN
concept-2687	292	7	of	of	ADP
concept-2687	292	8	vertebrate	vertebrate	ADJ
concept-2687	292	9	brain	brain	NOUN
concept-2687	292	10	evolution	evolution	NOUN
concept-2687	292	11	.	.	PUNCT
concept-2687	293	1	nature	nature	NOUN
concept-2687	293	2	reviews	review	VERB
concept-2687	293	3	neuroscience	neuroscience	NOUN
concept-2687	293	4	,	,	PUNCT
concept-2687	293	5	6(2	6(2	NUM
concept-2687	293	6	)	)	PUNCT
concept-2687	293	7	,	,	PUNCT
concept-2687	293	8	151	151	NUM
concept-2687	293	9	–	–	PUNCT
concept-2687	293	10	159	159	NUM
concept-2687	293	11	.	.	PUNCT
concept-2687	294	1	https://doi.org/10.1038/nrn1606	https://doi.org/10.1038/nrn1606	PROPN
concept-2687	294	2	kant	kant	PROPN
concept-2687	294	3	,	,	PUNCT
concept-2687	294	4	immanuel	immanuel	PROPN
concept-2687	294	5	.	.	PUNCT
concept-2687	295	1	(	(	PUNCT
concept-2687	295	2	1998	1998	NUM
concept-2687	295	3	)	)	PUNCT
concept-2687	295	4	.	.	PUNCT
concept-2687	296	1	critique	critique	NOUN
concept-2687	296	2	of	of	ADP
concept-2687	296	3	pure	pure	ADJ
concept-2687	296	4	reason	reason	NOUN
concept-2687	296	5	.	.	PUNCT
concept-2687	297	1	(	(	PUNCT
concept-2687	297	2	p.	p.	NOUN
concept-2687	297	3	guyer	guyer	PROPN
concept-2687	297	4	&	&	CCONJ
concept-2687	297	5	a.	a.	PROPN
concept-2687	297	6	wood	wood	PROPN
concept-2687	297	7	,	,	PUNCT
concept-2687	297	8	trans	trans	PROPN
concept-2687	297	9	.	.	PUNCT
concept-2687	297	10	)	)	PUNCT
concept-2687	298	1	new	new	PROPN
concept-2687	298	2	york	york	PROPN
concept-2687	298	3	:	:	PUNCT
concept-2687	298	4	cambridge	cambridge	PROPN
concept-2687	298	5	university	university	PROPN
concept-2687	298	6	press	press	NOUN
concept-2687	298	7	,	,	PUNCT
concept-2687	298	8	(	(	PUNCT
concept-2687	298	9	original	original	ADJ
concept-2687	298	10	work	work	NOUN
concept-2687	298	11	published	publish	VERB
concept-2687	298	12	1781	1781	NUM
concept-2687	298	13	)	)	PUNCT
concept-2687	298	14	.	.	PUNCT
concept-2687	299	1	print	print	NOUN
concept-2687	299	2	.	.	PUNCT
concept-2687	300	1	kamil	kamil	PROPN
concept-2687	300	2	,	,	PUNCT
concept-2687	300	3	a.	a.	PROPN
concept-2687	300	4	c.	c.	PROPN
concept-2687	300	5	,	,	PUNCT
concept-2687	300	6	&	&	CCONJ
concept-2687	300	7	jones	jones	PROPN
concept-2687	300	8	,	,	PUNCT
concept-2687	300	9	t.	t.	PROPN
concept-2687	300	10	b.	b.	PROPN
concept-2687	300	11	(	(	PUNCT
concept-2687	300	12	1973	1973	NUM
concept-2687	300	13	)	)	PUNCT
concept-2687	300	14	.	.	PUNCT
concept-2687	301	1	tool	tool	NOUN
concept-2687	301	2	-	-	PUNCT
concept-2687	301	3	making	make	VERB
concept-2687	301	4	and	and	CCONJ
concept-2687	301	5	tool	tool	NOUN
concept-2687	301	6	-	-	PUNCT
concept-2687	301	7	using	using	NOUN
concept-2687	301	8	in	in	ADP
concept-2687	301	9	the	the	DET
concept-2687	301	10	northern	northern	ADJ
concept-2687	301	11	blue	blue	PROPN
concept-2687	301	12	jay	jay	PROPN
concept-2687	301	13	.	.	PUNCT
concept-2687	302	1	in	in	ADP
concept-2687	302	2	definitions	definition	NOUN
concept-2687	302	3	(	(	PUNCT
concept-2687	302	4	vol	vol	NOUN
concept-2687	302	5	.	.	NOUN
concept-2687	302	6	180	180	NUM
concept-2687	302	7	,	,	PUNCT
concept-2687	302	8	issue	issue	NOUN
concept-2687	302	9	4090	4090	NUM
concept-2687	302	10	,	,	PUNCT
concept-2687	302	11	pp	pp	ADJ
concept-2687	302	12	.	.	PUNCT
concept-2687	302	13	1076–1078	1076–1078	NUM
concept-2687	302	14	)	)	PUNCT
concept-2687	302	15	.	.	PUNCT
concept-2687	303	1	https://doi.org/10.32388/pglqg4	https://doi.org/10.32388/pglqg4	PROPN
concept-2687	303	2	keefner	keefner	NOUN
concept-2687	303	3	,	,	PUNCT
concept-2687	303	4	a.	a.	NOUN
concept-2687	303	5	(	(	PUNCT
concept-2687	303	6	2016	2016	NUM
concept-2687	303	7	)	)	PUNCT
concept-2687	303	8	.	.	PUNCT
concept-2687	304	1	corvids	corvid	NOUN
concept-2687	304	2	infer	infer	VERB
concept-2687	304	3	the	the	DET
concept-2687	304	4	mental	mental	ADJ
concept-2687	304	5	states	state	NOUN
concept-2687	304	6	of	of	ADP
concept-2687	304	7	conspecifics	conspecific	NOUN
concept-2687	304	8	.	.	PUNCT
concept-2687	305	1	biology	biology	NOUN
concept-2687	305	2	and	and	CCONJ
concept-2687	305	3	philosophy	philosophy	NOUN
concept-2687	305	4	,	,	PUNCT
concept-2687	305	5	31(2	31(2	NUM
concept-2687	305	6	)	)	PUNCT
concept-2687	305	7	,	,	PUNCT
concept-2687	305	8	267–281	267–281	NUM
concept-2687	305	9	.	.	PUNCT
concept-2687	305	10	https://doi.org/10.1007/s10539-015-9509-8	https://doi.org/10.1007/s10539-015-9509-8	NUM
concept-2687	305	11	kenward	kenward	PROPN
concept-2687	305	12	,	,	PUNCT
concept-2687	305	13	b.	b.	PROPN
concept-2687	305	14	,	,	PUNCT
concept-2687	305	15	schloegl	schloegl	PROPN
concept-2687	305	16	,	,	PUNCT
concept-2687	305	17	c.	c.	NOUN
concept-2687	305	18	,	,	PUNCT
concept-2687	305	19	rutz	rutz	ADJ
concept-2687	305	20	,	,	PUNCT
concept-2687	305	21	c.	c.	PROPN
concept-2687	305	22	,	,	PUNCT
concept-2687	305	23	weir	weir	PROPN
concept-2687	305	24	,	,	PUNCT
concept-2687	305	25	a.	a.	NOUN
concept-2687	305	26	a.	a.	PROPN
concept-2687	305	27	s.	s.	PROPN
concept-2687	305	28	,	,	PUNCT
concept-2687	305	29	bugnyar	bugnyar	PROPN
concept-2687	305	30	,	,	PUNCT
concept-2687	305	31	t.	t.	PROPN
concept-2687	305	32	,	,	PUNCT
concept-2687	305	33	&	&	CCONJ
concept-2687	305	34	kacelnik	kacelnik	PROPN
concept-2687	305	35	,	,	PUNCT
concept-2687	305	36	a.	a.	NOUN
concept-2687	305	37	(	(	PUNCT
concept-2687	305	38	2010	2010	NUM
concept-2687	305	39	)	)	PUNCT
concept-2687	305	40	.	.	PUNCT
concept-2687	306	1	on	on	ADP
concept-2687	306	2	the	the	DET
concept-2687	306	3	evolutionary	evolutionary	ADJ
concept-2687	306	4	and	and	CCONJ
concept-2687	306	5	ontogenetic	ontogenetic	ADJ
concept-2687	306	6	origins	origin	NOUN
concept-2687	306	7	of	of	ADP
concept-2687	306	8	tool	tool	NOUN
concept-2687	306	9	-	-	PUNCT
concept-2687	306	10	oriented	orient	VERB
concept-2687	306	11	behaviour	behaviour	NOUN
concept-2687	306	12	in	in	ADP
concept-2687	306	13	new	new	ADJ
concept-2687	306	14	caledonian	caledonian	PROPN
concept-2687	306	15	crows	crow	NOUN
concept-2687	306	16	(	(	PUNCT
concept-2687	306	17	corvus	corvus	PROPN
concept-2687	306	18	moneduloides	moneduloides	PROPN
concept-2687	306	19	)	)	PUNCT
concept-2687	306	20	.	.	PUNCT
concept-2687	307	1	biological	biological	ADJ
concept-2687	307	2	journal	journal	NOUN
concept-2687	307	3	of	of	ADP
concept-2687	307	4	the	the	DET
concept-2687	307	5	linnean	linnean	ADJ
concept-2687	307	6	society	society	NOUN
concept-2687	307	7	,	,	PUNCT
concept-2687	307	8	102(4	102(4	NUM
concept-2687	307	9	)	)	PUNCT
concept-2687	307	10	,	,	PUNCT
concept-2687	307	11	870–877	870–877	NUM
concept-2687	307	12	.	.	PUNCT
concept-2687	308	1	https://doi.org/10.1111/j.1095-8312.2011.01613.x	https://doi.org/10.1111/j.1095-8312.2011.01613.x	ADJ
concept-2687	308	2	kenward	kenward	PROPN
concept-2687	308	3	,	,	PUNCT
concept-2687	308	4	b.	b.	PROPN
concept-2687	308	5	,	,	PUNCT
concept-2687	308	6	weir	weir	PROPN
concept-2687	308	7	,	,	PUNCT
concept-2687	308	8	a.	a.	NOUN
concept-2687	308	9	a.	a.	PROPN
concept-2687	308	10	s.	s.	PROPN
concept-2687	308	11	,	,	PUNCT
concept-2687	308	12	rutz	rutz	ADJ
concept-2687	308	13	,	,	PUNCT
concept-2687	308	14	c.	c.	PROPN
concept-2687	308	15	,	,	PUNCT
concept-2687	308	16	&	&	CCONJ
concept-2687	308	17	kacelnik	kacelnik	PROPN
concept-2687	308	18	,	,	PUNCT
concept-2687	308	19	a.	a.	NOUN
concept-2687	308	20	(	(	PUNCT
concept-2687	308	21	2005	2005	NUM
concept-2687	308	22	)	)	PUNCT
concept-2687	308	23	.	.	PUNCT
concept-2687	309	1	tool	tool	NOUN
concept-2687	309	2	manufacture	manufacture	VERB
concept-2687	309	3	by	by	ADP
concept-2687	309	4	naive	naive	ADJ
concept-2687	309	5	16	16	NUM
concept-2687	309	6	juvenile	juvenile	ADJ
concept-2687	309	7	crows	crow	NOUN
concept-2687	309	8	.	.	PUNCT
concept-2687	310	1	nature	nature	NOUN
concept-2687	310	2	,	,	PUNCT
concept-2687	310	3	433(7022	433(7022	NOUN
concept-2687	310	4	)	)	PUNCT
concept-2687	310	5	,	,	PUNCT
concept-2687	310	6	e3	e3	NOUN
concept-2687	310	7	–	–	PUNCT
concept-2687	310	8	e4	e4	PROPN
concept-2687	310	9	.	.	PUNCT
concept-2687	311	1	https://doi.org/10.1038/nature03294	https://doi.org/10.1038/nature03294	PROPN
concept-2687	311	2	leibniz	leibniz	PROPN
concept-2687	311	3	,	,	PUNCT
concept-2687	311	4	gottfried	gottfried	PROPN
concept-2687	311	5	wilhelm	wilhelm	PROPN
concept-2687	311	6	.	.	PUNCT
concept-2687	311	7	(	(	PUNCT
concept-2687	311	8	1991	1991	NUM
concept-2687	311	9	)	)	PUNCT
concept-2687	311	10	.	.	PUNCT
concept-2687	312	1	discourse	discourse	NOUN
concept-2687	312	2	on	on	ADP
concept-2687	312	3	metaphysics	metaphysics	PROPN
concept-2687	312	4	and	and	CCONJ
concept-2687	312	5	other	other	ADJ
concept-2687	312	6	essays	essay	NOUN
concept-2687	312	7	.	.	PUNCT
concept-2687	313	1	(	(	PUNCT
concept-2687	313	2	d.	d.	PROPN
concept-2687	313	3	garber	garber	PROPN
concept-2687	313	4	&	&	CCONJ
concept-2687	313	5	r.	r.	PROPN
concept-2687	313	6	ariew	ariew	PROPN
concept-2687	313	7	,	,	PUNCT
concept-2687	313	8	trans	trans	PROPN
concept-2687	313	9	.	.	PUNCT
concept-2687	313	10	)	)	PUNCT
concept-2687	313	11	.	.	PUNCT
concept-2687	314	1	indianapolis	indianapolis	PROPN
concept-2687	314	2	,	,	PUNCT
concept-2687	314	3	ia	ia	PROPN
concept-2687	314	4	:	:	PUNCT
concept-2687	314	5	hackett	hackett	PROPN
concept-2687	314	6	publishing	publishing	PROPN
concept-2687	314	7	company	company	NOUN
concept-2687	314	8	.	.	PUNCT
concept-2687	315	1	(	(	PUNCT
concept-2687	315	2	original	original	ADJ
concept-2687	315	3	work	work	NOUN
concept-2687	315	4	(	(	PUNCT
concept-2687	315	5	un)published	un)published	ADJ
concept-2687	315	6	in	in	ADP
concept-2687	315	7	1686	1686	NUM
concept-2687	315	8	)	)	PUNCT
concept-2687	315	9	.	.	PUNCT
concept-2687	316	1	print	print	NOUN
concept-2687	316	2	.	.	PUNCT
concept-2687	317	1	rutledge	rutledge	PROPN
concept-2687	317	2	,	,	PUNCT
concept-2687	317	3	r.	r.	PROPN
concept-2687	317	4	,	,	PUNCT
concept-2687	317	5	&	&	CCONJ
concept-2687	317	6	hunt	hunt	PROPN
concept-2687	317	7	,	,	PUNCT
concept-2687	317	8	g.	g.	PROPN
concept-2687	317	9	r.	r.	PROPN
concept-2687	317	10	(	(	PUNCT
concept-2687	317	11	2004	2004	NUM
concept-2687	317	12	)	)	PUNCT
concept-2687	317	13	.	.	PUNCT
concept-2687	318	1	lateralized	lateralize	VERB
concept-2687	318	2	tool	tool	NOUN
concept-2687	318	3	use	use	NOUN
concept-2687	318	4	in	in	ADP
concept-2687	318	5	wild	wild	ADJ
concept-2687	318	6	new	new	ADJ
concept-2687	318	7	caledonian	caledonian	PROPN
concept-2687	318	8	crows	crow	NOUN
concept-2687	318	9	.	.	PUNCT
concept-2687	319	1	animal	animal	NOUN
concept-2687	319	2	behaviour	behaviour	NOUN
concept-2687	319	3	,	,	PUNCT
concept-2687	319	4	67(2	67(2	NUM
concept-2687	319	5	)	)	PUNCT
concept-2687	319	6	,	,	PUNCT
concept-2687	319	7	327–332	327–332	NUM
concept-2687	319	8	.	.	PUNCT
concept-2687	319	9	https://doi.org/10.1016/j.anbehav.2003.07.002	https://doi.org/10.1016/j.anbehav.2003.07.002	PROPN
concept-2687	319	10	schopenhauer	schopenhauer	PROPN
concept-2687	319	11	,	,	PUNCT
concept-2687	319	12	arthur	arthur	PROPN
concept-2687	319	13	.	.	PUNCT
concept-2687	320	1	(	(	PUNCT
concept-2687	320	2	2007	2007	NUM
concept-2687	320	3	)	)	PUNCT
concept-2687	320	4	on	on	ADP
concept-2687	320	5	the	the	DET
concept-2687	320	6	fourfold	fourfold	ADJ
concept-2687	320	7	root	root	NOUN
concept-2687	320	8	of	of	ADP
concept-2687	320	9	the	the	DET
concept-2687	320	10	principle	principle	NOUN
concept-2687	320	11	of	of	ADP
concept-2687	320	12	sufficient	sufficient	ADJ
concept-2687	320	13	reason	reason	NOUN
concept-2687	320	14	.	.	PUNCT
concept-2687	321	1	(	(	PUNCT
concept-2687	321	2	k.	k.	PROPN
concept-2687	321	3	hillebrand	hillebrand	PROPN
concept-2687	321	4	,	,	PUNCT
concept-2687	321	5	trans	trans	PROPN
concept-2687	321	6	.	.	PUNCT
concept-2687	321	7	)	)	PUNCT
concept-2687	321	8	.	.	PUNCT
concept-2687	322	1	cosimo	cosimo	PROPN
concept-2687	322	2	inc	inc	PROPN
concept-2687	322	3	.	.	PROPN
concept-2687	323	1	(	(	PUNCT
concept-2687	323	2	original	original	ADJ
concept-2687	323	3	work	work	NOUN
concept-2687	323	4	published	publish	VERB
concept-2687	323	5	1813	1813	NUM
concept-2687	323	6	)	)	PUNCT
concept-2687	323	7	.	.	PUNCT
concept-2687	324	1	print	print	NOUN
concept-2687	324	2	.	.	PUNCT
concept-2687	325	1	seed	seed	NOUN
concept-2687	325	2	,	,	PUNCT
concept-2687	325	3	a.	a.	NOUN
concept-2687	325	4	m.	m.	NOUN
concept-2687	325	5	,	,	PUNCT
concept-2687	325	6	tebbich	tebbich	NOUN
concept-2687	325	7	,	,	PUNCT
concept-2687	325	8	s.	s.	PROPN
concept-2687	325	9	,	,	PUNCT
concept-2687	325	10	emery	emery	PROPN
concept-2687	325	11	,	,	PUNCT
concept-2687	325	12	n.	n.	PROPN
concept-2687	325	13	j.	j.	PROPN
concept-2687	325	14	,	,	PUNCT
concept-2687	325	15	&	&	CCONJ
concept-2687	325	16	clayton	clayton	PROPN
concept-2687	325	17	,	,	PUNCT
concept-2687	325	18	n.	n.	PROPN
concept-2687	325	19	s.	s.	PROPN
concept-2687	325	20	(	(	PUNCT
concept-2687	325	21	2006	2006	NUM
concept-2687	325	22	)	)	PUNCT
concept-2687	325	23	.	.	PUNCT
concept-2687	326	1	investigating	investigate	VERB
concept-2687	326	2	physical	physical	ADJ
concept-2687	326	3	cognition	cognition	NOUN
concept-2687	326	4	in	in	ADP
concept-2687	326	5	rooks	rook	NOUN
concept-2687	326	6	,	,	PUNCT
concept-2687	326	7	corvus	corvus	NOUN
concept-2687	326	8	frugilegus	frugilegus	NOUN
concept-2687	326	9	.	.	PUNCT
concept-2687	327	1	current	current	ADJ
concept-2687	327	2	biology	biology	NOUN
concept-2687	327	3	,	,	PUNCT
concept-2687	327	4	16(7	16(7	NUM
concept-2687	327	5	)	)	PUNCT
concept-2687	327	6	,	,	PUNCT
concept-2687	327	7	697–701	697–701	NUM
concept-2687	327	8	.	.	PUNCT
concept-2687	328	1	https://doi.org/10.1016/j.cub.2006.02.066	https://doi.org/10.1016/j.cub.2006.02.066	PROPN
concept-2687	328	2	st	st	PROPN
concept-2687	328	3	.	.	PROPN
concept-2687	328	4	clair	clair	PROPN
concept-2687	328	5	,	,	PUNCT
concept-2687	328	6	j.	j.	PROPN
concept-2687	328	7	,	,	PUNCT
concept-2687	328	8	&	&	CCONJ
concept-2687	328	9	rutz	rutz	ADJ
concept-2687	328	10	,	,	PUNCT
concept-2687	328	11	c.	c.	PROPN
concept-2687	328	12	(	(	PUNCT
concept-2687	328	13	2013	2013	NUM
concept-2687	328	14	)	)	PUNCT
concept-2687	328	15	.	.	PUNCT
concept-2687	329	1	new	new	ADJ
concept-2687	329	2	caledonian	caledonian	PROPN
concept-2687	329	3	crows	crow	VERB
concept-2687	329	4	attend	attend	VERB
concept-2687	329	5	to	to	ADP
concept-2687	329	6	multiple	multiple	ADJ
concept-2687	329	7	functional	functional	ADJ
concept-2687	329	8	properties	property	NOUN
concept-2687	329	9	of	of	ADP
concept-2687	329	10	complex	complex	ADJ
concept-2687	329	11	tools	tool	NOUN
concept-2687	329	12	.	.	PUNCT
concept-2687	330	1	philosophical	philosophical	ADJ
concept-2687	330	2	transactions	transaction	NOUN
concept-2687	330	3	:	:	PUNCT
concept-2687	330	4	biological	biological	ADJ
concept-2687	330	5	sciences	science	NOUN
concept-2687	330	6	,	,	PUNCT
concept-2687	330	7	368(1630	368(1630	NUM
concept-2687	330	8	)	)	PUNCT
concept-2687	330	9	,	,	PUNCT
concept-2687	330	10	1–9	1–9	NOUN
concept-2687	330	11	.	.	PUNCT
concept-2687	331	1	tebbich	tebbich	NOUN
concept-2687	331	2	,	,	PUNCT
concept-2687	331	3	s.	s.	PROPN
concept-2687	331	4	,	,	PUNCT
concept-2687	331	5	&	&	CCONJ
concept-2687	331	6	bshary	bshary	PROPN
concept-2687	331	7	,	,	PUNCT
concept-2687	331	8	r.	r.	PROPN
concept-2687	331	9	(	(	PUNCT
concept-2687	331	10	2004	2004	NUM
concept-2687	331	11	)	)	PUNCT
concept-2687	331	12	.	.	PUNCT
concept-2687	332	1	cognitive	cognitive	ADJ
concept-2687	332	2	abilities	ability	NOUN
concept-2687	332	3	related	relate	VERB
concept-2687	332	4	to	to	ADP
concept-2687	332	5	tool	tool	NOUN
concept-2687	332	6	use	use	NOUN
concept-2687	332	7	in	in	ADP
concept-2687	332	8	the	the	DET
concept-2687	332	9	woodpecker	woodpecker	NOUN
concept-2687	332	10	finch	finch	NOUN
concept-2687	332	11	,	,	PUNCT
concept-2687	332	12	cactospiza	cactospiza	VERB
concept-2687	332	13	pallida	pallida	NOUN
concept-2687	332	14	.	.	PUNCT
concept-2687	333	1	animal	animal	NOUN
concept-2687	333	2	behaviour	behaviour	NOUN
concept-2687	333	3	,	,	PUNCT
concept-2687	333	4	67(4	67(4	NUM
concept-2687	333	5	)	)	PUNCT
concept-2687	333	6	,	,	PUNCT
concept-2687	333	7	689–697	689–697	NUM
concept-2687	333	8	.	.	PUNCT
concept-2687	334	1	https://doi.org/10.1016/j.anbehav.2003.08.003	https://doi.org/10.1016/j.anbehav.2003.08.003	NOUN
concept-2687	334	2	tebbich	tebbich	NOUN
concept-2687	334	3	,	,	PUNCT
concept-2687	334	4	s.	s.	PROPN
concept-2687	334	5	,	,	PUNCT
concept-2687	334	6	seed	seed	NOUN
concept-2687	334	7	,	,	PUNCT
concept-2687	334	8	a.	a.	NOUN
concept-2687	334	9	m.	m.	NOUN
concept-2687	334	10	,	,	PUNCT
concept-2687	334	11	emery	emery	PROPN
concept-2687	334	12	,	,	PUNCT
concept-2687	334	13	n.	n.	PROPN
concept-2687	334	14	j.	j.	PROPN
concept-2687	334	15	,	,	PUNCT
concept-2687	334	16	&	&	CCONJ
concept-2687	334	17	clayton	clayton	PROPN
concept-2687	334	18	,	,	PUNCT
concept-2687	334	19	n.	n.	PROPN
concept-2687	334	20	s.	s.	PROPN
concept-2687	334	21	(	(	PUNCT
concept-2687	334	22	2007	2007	NUM
concept-2687	334	23	)	)	PUNCT
concept-2687	334	24	.	.	PUNCT
concept-2687	335	1	non	non	ADJ
concept-2687	335	2	-	-	ADJ
concept-2687	335	3	tool	tool	NOUN
concept-2687	335	4	-	-	PUNCT
concept-2687	335	5	using	use	VERB
concept-2687	335	6	rooks	rook	NOUN
concept-2687	335	7	,	,	PUNCT
concept-2687	335	8	corvus	corvus	NOUN
concept-2687	335	9	frugilegus	frugilegus	NOUN
concept-2687	335	10	,	,	PUNCT
concept-2687	335	11	solve	solve	VERB
concept-2687	335	12	the	the	DET
concept-2687	335	13	trap	trap	NOUN
concept-2687	335	14	-	-	PUNCT
concept-2687	335	15	tube	tube	NOUN
concept-2687	335	16	problem	problem	NOUN
concept-2687	335	17	.	.	PUNCT
concept-2687	336	1	animal	animal	NOUN
concept-2687	336	2	cognition	cognition	NOUN
concept-2687	336	3	,	,	PUNCT
concept-2687	336	4	10(2	10(2	NUM
concept-2687	336	5	)	)	PUNCT
concept-2687	336	6	,	,	PUNCT
concept-2687	336	7	225–231	225–231	NUM
concept-2687	336	8	.	.	PUNCT
concept-2687	337	1	https://doi.org/10.1007/s10071-006-0061-4	https://doi.org/10.1007/s10071-006-0061-4	NUM
concept-2687	337	2	tebbich	tebbich	NOUN
concept-2687	337	3	,	,	PUNCT
concept-2687	337	4	s.	s.	PROPN
concept-2687	337	5	,	,	PUNCT
concept-2687	337	6	taborsky	taborsky	NOUN
concept-2687	337	7	,	,	PUNCT
concept-2687	337	8	m.	m.	NOUN
concept-2687	337	9	,	,	PUNCT
concept-2687	337	10	fessl	fessl	ADJ
concept-2687	337	11	,	,	PUNCT
concept-2687	337	12	b.	b.	PROPN
concept-2687	337	13	,	,	PUNCT
concept-2687	337	14	&	&	CCONJ
concept-2687	337	15	blomqvist	blomqvist	NOUN
concept-2687	337	16	,	,	PUNCT
concept-2687	337	17	d.	d.	PROPN
concept-2687	337	18	(	(	PUNCT
concept-2687	337	19	2001	2001	NUM
concept-2687	337	20	)	)	PUNCT
concept-2687	337	21	.	.	PUNCT
concept-2687	338	1	do	do	AUX
concept-2687	338	2	woodpecker	woodpecker	NOUN
concept-2687	338	3	finches	finch	NOUN
concept-2687	338	4	acquire	acquire	VERB
concept-2687	338	5	tooluse	tooluse	NOUN
concept-2687	338	6	by	by	ADP
concept-2687	338	7	social	social	ADJ
concept-2687	338	8	learning	learning	NOUN
concept-2687	338	9	?	?	PUNCT
concept-2687	339	1	proceedings	proceeding	NOUN
concept-2687	339	2	of	of	ADP
concept-2687	339	3	the	the	DET
concept-2687	339	4	royal	royal	ADJ
concept-2687	339	5	society	society	NOUN
concept-2687	339	6	of	of	ADP
concept-2687	339	7	london	london	PROPN
concept-2687	339	8	.	.	PUNCT
concept-2687	340	1	series	series	PROPN
concept-2687	340	2	b	b	PROPN
concept-2687	340	3	:	:	PUNCT
concept-2687	340	4	biological	biological	ADJ
concept-2687	340	5	sciences	science	NOUN
concept-2687	340	6	,	,	PUNCT
concept-2687	340	7	268(1482	268(1482	NUM
concept-2687	340	8	)	)	PUNCT
concept-2687	340	9	,	,	PUNCT
concept-2687	340	10	2189–2193	2189–2193	NUM
concept-2687	340	11	.	.	PUNCT
concept-2687	341	1	https://doi.org/10.1098/rspb.2001.1738	https://doi.org/10.1098/rspb.2001.1738	PROPN
concept-2687	341	2	teschke	teschke	PROPN
concept-2687	341	3	,	,	PUNCT
concept-2687	341	4	i.	i.	PROPN
concept-2687	341	5	,	,	PUNCT
concept-2687	341	6	wascher	wascher	PROPN
concept-2687	341	7	,	,	PUNCT
concept-2687	341	8	c.	c.	PROPN
concept-2687	341	9	a.	a.	PROPN
concept-2687	341	10	f.	f.	PROPN
concept-2687	341	11	,	,	PUNCT
concept-2687	341	12	scriba	scriba	PROPN
concept-2687	341	13	,	,	PUNCT
concept-2687	341	14	m.	m.	PROPN
concept-2687	341	15	f.	f.	PROPN
concept-2687	341	16	,	,	PUNCT
concept-2687	341	17	von	von	PROPN
concept-2687	341	18	bayern	bayern	PROPN
concept-2687	341	19	,	,	PUNCT
concept-2687	341	20	a.	a.	NOUN
concept-2687	341	21	m.	m.	PROPN
concept-2687	341	22	p.	p.	PROPN
concept-2687	341	23	,	,	PUNCT
concept-2687	341	24	huml	huml	PROPN
concept-2687	341	25	,	,	PUNCT
concept-2687	341	26	v.	v.	ADV
concept-2687	341	27	,	,	PUNCT
concept-2687	341	28	siemers	siemer	NOUN
concept-2687	341	29	,	,	PUNCT
concept-2687	341	30	b.	b.	PROPN
concept-2687	341	31	,	,	PUNCT
concept-2687	341	32	and	and	CCONJ
concept-2687	341	33	17	17	NUM
concept-2687	341	34	tebbich	tebbich	NOUN
concept-2687	341	35	,	,	PUNCT
concept-2687	341	36	s.	s.	PROPN
concept-2687	341	37	(	(	PUNCT
concept-2687	341	38	2013	2013	NUM
concept-2687	341	39	)	)	PUNCT
concept-2687	341	40	.	.	PUNCT
concept-2687	342	1	did	do	VERB
concept-2687	342	2	tool	tool	NOUN
concept-2687	342	3	-	-	PUNCT
concept-2687	342	4	use	use	NOUN
concept-2687	342	5	evolve	evolve	NOUN
concept-2687	342	6	with	with	ADP
concept-2687	342	7	enhanced	enhanced	ADJ
concept-2687	342	8	physical	physical	ADJ
concept-2687	342	9	cognitive	cognitive	ADJ
concept-2687	342	10	abilities	ability	NOUN
concept-2687	342	11	?	?	PUNCT
concept-2687	343	1	philosophical	philosophical	ADJ
concept-2687	343	2	transactions	transaction	NOUN
concept-2687	343	3	:	:	PUNCT
concept-2687	343	4	biological	biological	ADJ
concept-2687	343	5	sciences	science	NOUN
concept-2687	343	6	368(1630	368(1630	NUM
concept-2687	343	7	)	)	PUNCT
concept-2687	343	8	,	,	PUNCT
concept-2687	343	9	1–9	1–9	NOUN
concept-2687	343	10	.	.	PUNCT
concept-2687	343	11	ujfalussy	ujfalussy	PROPN
concept-2687	343	12	,	,	PUNCT
concept-2687	343	13	d.	d.	PROPN
concept-2687	343	14	j.	j.	PROPN
concept-2687	343	15	,	,	PUNCT
concept-2687	343	16	miklósi	miklósi	PROPN
concept-2687	343	17	,	,	PUNCT
concept-2687	343	18	á	á	PROPN
concept-2687	343	19	.	.	PROPN
concept-2687	343	20	,	,	PUNCT
concept-2687	343	21	&	&	CCONJ
concept-2687	343	22	bugnyar	bugnyar	PROPN
concept-2687	343	23	,	,	PUNCT
concept-2687	343	24	t.	t.	PROPN
concept-2687	343	25	(	(	PUNCT
concept-2687	343	26	2013	2013	NUM
concept-2687	343	27	)	)	PUNCT
concept-2687	343	28	.	.	PUNCT
concept-2687	344	1	ontogeny	ontogeny	NOUN
concept-2687	344	2	of	of	ADP
concept-2687	344	3	object	object	NOUN
concept-2687	344	4	permanence	permanence	NOUN
concept-2687	344	5	in	in	ADP
concept-2687	344	6	a	a	DET
concept-2687	344	7	nonstoring	nonstore	VERB
concept-2687	344	8	corvid	corvid	PROPN
concept-2687	344	9	species	specie	NOUN
concept-2687	344	10	,	,	PUNCT
concept-2687	344	11	the	the	DET
concept-2687	344	12	jackdaw	jackdaw	NOUN
concept-2687	344	13	(	(	PUNCT
concept-2687	344	14	corvus	corvus	NOUN
concept-2687	344	15	monedula	monedula	PROPN
concept-2687	344	16	)	)	PUNCT
concept-2687	344	17	.	.	PUNCT
concept-2687	345	1	animal	animal	NOUN
concept-2687	345	2	cognition	cognition	NOUN
concept-2687	345	3	,	,	PUNCT
concept-2687	345	4	16(3	16(3	NOUN
concept-2687	345	5	)	)	PUNCT
concept-2687	345	6	,	,	PUNCT
concept-2687	345	7	405–416	405–416	NUM
concept-2687	345	8	.	.	PUNCT
concept-2687	346	1	https://doi.org/10.1007/s10071-012-0581-z	https://doi.org/10.1007/s10071-012-0581-z	PROPN
concept-2687	346	2	van	van	PROPN
concept-2687	346	3	horik	horik	PROPN
concept-2687	346	4	,	,	PUNCT
concept-2687	346	5	j.	j.	PROPN
concept-2687	346	6	o.	o.	PROPN
concept-2687	346	7	,	,	PUNCT
concept-2687	346	8	&	&	CCONJ
concept-2687	346	9	emery	emery	PROPN
concept-2687	346	10	,	,	PUNCT
concept-2687	346	11	n.	n.	PROPN
concept-2687	346	12	j.	j.	PROPN
concept-2687	346	13	(	(	PUNCT
concept-2687	346	14	2016	2016	NUM
concept-2687	346	15	)	)	PUNCT
concept-2687	346	16	.	.	PUNCT
concept-2687	347	1	transfer	transfer	NOUN
concept-2687	347	2	of	of	ADP
concept-2687	347	3	physical	physical	ADJ
concept-2687	347	4	understanding	understanding	NOUN
concept-2687	347	5	in	in	ADP
concept-2687	347	6	a	a	DET
concept-2687	347	7	non	non	ADJ
concept-2687	347	8	-	-	ADJ
concept-2687	347	9	tool	tool	ADJ
concept-2687	347	10	-	-	PUNCT
concept-2687	347	11	using	use	VERB
concept-2687	347	12	parrot	parrot	NOUN
concept-2687	347	13	.	.	PUNCT
concept-2687	348	1	animal	animal	NOUN
concept-2687	348	2	cognition	cognition	NOUN
concept-2687	348	3	,	,	PUNCT
concept-2687	348	4	19(6	19(6	NUM
concept-2687	348	5	)	)	PUNCT
concept-2687	348	6	,	,	PUNCT
concept-2687	348	7	1195–1203	1195–1203	NUM
concept-2687	348	8	.	.	PUNCT
concept-2687	349	1	https://doi.org/10.1007/s10071-016-1031-0	https://doi.org/10.1007/s10071-016-1031-0	VERB
concept-2687	349	2	van	van	PROPN
concept-2687	349	3	lawick	lawick	PROPN
concept-2687	349	4	-	-	PUNCT
concept-2687	349	5	goodall	goodall	PROPN
concept-2687	349	6	,	,	PUNCT
concept-2687	349	7	j.	j.	PROPN
concept-2687	349	8	(	(	PUNCT
concept-2687	349	9	1971	1971	NUM
concept-2687	349	10	)	)	PUNCT
concept-2687	349	11	.	.	PUNCT
concept-2687	350	1	tool	tool	NOUN
concept-2687	350	2	-	-	PUNCT
concept-2687	350	3	using	using	NOUN
concept-2687	350	4	in	in	ADP
concept-2687	350	5	primates	primate	NOUN
concept-2687	350	6	and	and	CCONJ
concept-2687	350	7	other	other	ADJ
concept-2687	350	8	vertebrates	vertebrate	NOUN
concept-2687	350	9	.	.	PUNCT
concept-2687	351	1	in	in	ADP
concept-2687	351	2	advances	advance	NOUN
concept-2687	351	3	in	in	ADP
concept-2687	351	4	the	the	DET
concept-2687	351	5	study	study	NOUN
concept-2687	351	6	of	of	ADP
concept-2687	351	7	behavior	behavior	NOUN
concept-2687	351	8	(	(	PUNCT
concept-2687	351	9	vol	vol	NOUN
concept-2687	351	10	.	.	NOUN
concept-2687	351	11	3	3	NUM
concept-2687	351	12	,	,	PUNCT
concept-2687	351	13	issue	issue	NOUN
concept-2687	351	14	c	c	NOUN
concept-2687	351	15	,	,	PUNCT
concept-2687	351	16	pp	pp	ADJ
concept-2687	351	17	.	.	PUNCT
concept-2687	352	1	195–249	195–249	NUM
concept-2687	352	2	)	)	PUNCT
concept-2687	352	3	.	.	PUNCT
concept-2687	353	1	https://doi.org/10.1016/s0065	https://doi.org/10.1016/s0065	NUM
concept-2687	353	2	3454(08)60157	3454(08)60157	NUM
concept-2687	353	3	-	-	SYM
concept-2687	353	4	6	6	NUM
concept-2687	353	5	weir	weir	NOUN
concept-2687	353	6	,	,	PUNCT
concept-2687	353	7	a.	a.	NOUN
concept-2687	353	8	a.	a.	PROPN
concept-2687	353	9	s.	s.	PROPN
concept-2687	353	10	,	,	PUNCT
concept-2687	353	11	chappell	chappell	PROPN
concept-2687	353	12	,	,	PUNCT
concept-2687	353	13	j.	j.	PROPN
concept-2687	353	14	,	,	PUNCT
concept-2687	353	15	&	&	CCONJ
concept-2687	353	16	kacelnik	kacelnik	PROPN
concept-2687	353	17	,	,	PUNCT
concept-2687	353	18	a.	a.	NOUN
concept-2687	353	19	(	(	PUNCT
concept-2687	353	20	2002	2002	NUM
concept-2687	353	21	)	)	PUNCT
concept-2687	353	22	.	.	PUNCT
concept-2687	354	1	shaping	shaping	NOUN
concept-2687	354	2	of	of	ADP
concept-2687	354	3	hooks	hook	NOUN
concept-2687	354	4	in	in	ADP
concept-2687	354	5	new	new	ADJ
concept-2687	354	6	caledonian	caledonian	PROPN
concept-2687	354	7	crows	crow	NOUN
concept-2687	354	8	.	.	PUNCT
concept-2687	355	1	science	science	NOUN
concept-2687	355	2	,	,	PUNCT
concept-2687	355	3	297(5583	297(5583	NUM
concept-2687	355	4	)	)	PUNCT
concept-2687	355	5	,	,	PUNCT
concept-2687	355	6	981	981	NUM
concept-2687	355	7	.	.	PUNCT
concept-2687	355	8	https://doi.org/10.1126/science.1073433	https://doi.org/10.1126/science.1073433	PROPN
concept-2687	355	9	weir	weir	PROPN
concept-2687	355	10	,	,	PUNCT
concept-2687	355	11	a.	a.	NOUN
concept-2687	355	12	a.	a.	PROPN
concept-2687	355	13	s.	s.	PROPN
concept-2687	355	14	,	,	PUNCT
concept-2687	355	15	&	&	CCONJ
concept-2687	355	16	kacelnik	kacelnik	PROPN
concept-2687	355	17	,	,	PUNCT
concept-2687	355	18	a.	a.	NOUN
concept-2687	355	19	(	(	PUNCT
concept-2687	355	20	2006	2006	NUM
concept-2687	355	21	)	)	PUNCT
concept-2687	355	22	.	.	PUNCT
concept-2687	356	1	a	a	DET
concept-2687	356	2	new	new	ADJ
concept-2687	356	3	caledonian	caledonian	NOUN
concept-2687	356	4	crow	crow	NOUN
concept-2687	356	5	(	(	PUNCT
concept-2687	356	6	corvus	corvus	PROPN
concept-2687	356	7	moneduloides	moneduloide	NOUN
concept-2687	356	8	)	)	PUNCT
concept-2687	356	9	creatively	creatively	ADV
concept-2687	356	10	re	re	NOUN
concept-2687	356	11	-	-	NOUN
concept-2687	356	12	designs	design	NOUN
concept-2687	356	13	tools	tool	NOUN
concept-2687	356	14	by	by	ADP
concept-2687	356	15	bending	bend	VERB
concept-2687	356	16	or	or	CCONJ
concept-2687	356	17	unbending	unbend	VERB
concept-2687	356	18	aluminium	aluminium	NOUN
concept-2687	356	19	strips	strip	NOUN
concept-2687	356	20	.	.	PUNCT
concept-2687	357	1	animal	animal	NOUN
concept-2687	357	2	cognition	cognition	NOUN
concept-2687	357	3	,	,	PUNCT
concept-2687	357	4	9(4	9(4	NUM
concept-2687	357	5	)	)	PUNCT
concept-2687	357	6	,	,	PUNCT
concept-2687	357	7	317	317	NUM
concept-2687	357	8	–	–	PUNCT
concept-2687	357	9	334	334	NUM
concept-2687	357	10	.	.	PUNCT
concept-2687	358	1	https://doi.org/10.1007/s10071-006-0052-5	https://doi.org/10.1007/s10071-006-0052-5	NUM
concept-2687	358	2	weir	weir	PROPN
concept-2687	358	3	,	,	PUNCT
concept-2687	358	4	a.	a.	NOUN
concept-2687	358	5	a.	a.	PROPN
concept-2687	358	6	s.	s.	PROPN
concept-2687	358	7	,	,	PUNCT
concept-2687	358	8	kenward	kenward	PROPN
concept-2687	358	9	,	,	PUNCT
concept-2687	358	10	b.	b.	PROPN
concept-2687	358	11	,	,	PUNCT
concept-2687	358	12	chappell	chappell	PROPN
concept-2687	358	13	,	,	PUNCT
concept-2687	358	14	j.	j.	PROPN
concept-2687	358	15	,	,	PUNCT
concept-2687	358	16	&	&	CCONJ
concept-2687	358	17	kacelnik	kacelnik	PROPN
concept-2687	358	18	,	,	PUNCT
concept-2687	358	19	a.	a.	NOUN
concept-2687	358	20	(	(	PUNCT
concept-2687	358	21	2004	2004	NUM
concept-2687	358	22	)	)	PUNCT
concept-2687	358	23	.	.	PUNCT
concept-2687	359	1	lateralization	lateralization	NOUN
concept-2687	359	2	of	of	ADP
concept-2687	359	3	tool	tool	NOUN
concept-2687	359	4	use	use	NOUN
concept-2687	359	5	in	in	ADP
concept-2687	359	6	new	new	ADJ
concept-2687	359	7	caledonian	caledonian	PROPN
concept-2687	359	8	crows	crow	NOUN
concept-2687	359	9	(	(	PUNCT
concept-2687	359	10	corvus	corvus	PROPN
concept-2687	359	11	moneduloides	moneduloide	NOUN
concept-2687	359	12	)	)	PUNCT
concept-2687	359	13	.	.	PUNCT
concept-2687	360	1	proceedings	proceeding	NOUN
concept-2687	360	2	of	of	ADP
concept-2687	360	3	the	the	DET
concept-2687	360	4	royal	royal	ADJ
concept-2687	360	5	society	society	NOUN
concept-2687	360	6	b	b	PROPN
concept-2687	360	7	:	:	PUNCT
concept-2687	360	8	biological	biological	ADJ
concept-2687	360	9	sciences	science	NOUN
concept-2687	360	10	,	,	PUNCT
concept-2687	360	11	271(suppl	271(suppl	NOUN
concept-2687	360	12	.	.	PUNCT
concept-2687	360	13	5	5	NUM
concept-2687	360	14	)	)	PUNCT
concept-2687	360	15	,	,	PUNCT
concept-2687	360	16	4–7	4–7	PROPN
concept-2687	360	17	.	.	PUNCT
concept-2687	360	18	https://doi.org/10.1098/rsbl.2004.018	https://doi.org/10.1098/rsbl.2004.018	NOUN