Columbia subject headings:
Harvard subject headings:
Barro Colorado Island (Panama)--Description and travel.
Birds--Panama--Barro Colorado Island.
Natural history--Panama--Barro Colorado Island.
Zoology--Panama--Barro Colorado Island.
Princeton subject headings:
Birds--Panama--Barro Colorado Island.
Natural history--Panama--Barro Colorado Island.
Zoology--Panama--Barro Colorado Island.