id	keyword
inhs-314	cent
inhs-314	bird
inhs-314	number
inhs-314	winter
inhs-314	central
inhs-314	mile
inhs-314	illinois
inhs-314	p p
inhs-314	sparrow
inhs-314	northern
inhs-314	p r
inhs-314	species
inhs-314	junco
inhs-314	prairie
inhs-314	outhern
inhs-314	lark
inhs-314	total
inhs-314	ummer
inhs-314	tree
inhs-314	field
inhs-314	lllinoi
inhs-314	abundant
inhs-314	area
inhs-314	corn
inhs-314	state
inhs-314	square
inhs-314	lapland
inhs-314	f r
inhs-314	fall
inhs-314	thi
inhs-314	quail
inhs-314	data
inhs-314	english
inhs-314	wheat
inhs-314	acre
inhs-314	crow
inhs-314	ratio
inhs-314	time
inhs-314	trip
inhs-314	pasture
inhs-314	habitat
inhs-314	ident
inhs-314	migrant
inhs-314	meadowlark
inhs-314	bluebird
inhs-314	average
inhs-314	list
inhs-314	blackbird
inhs-314	een
inhs-314	ing
inhs-314	half
inhs-314	migration