id	keyword
hssr-1778	bird
hssr-1778	birdwatching
hssr-1778	ponds
hssr-1778	baihualing
hssr-1778	villagers
hssr-1778	research
hssr-1778	birdwatchers
hssr-1778	owners
hssr-1778	forest
hssr-1778	human
hssr-1778	environment