Christian Ziegler / White-faced Capuchin (Cebus capucinus) in canopy feeding on Balsa (Ochroma pyrmaidale) flowers, Barro Colorado Island, Panama

Christian Ziegler / White-faced Capuchin (Cebus capucinus) in canopy feeding on Balsa (Ochroma pyrmaidale) flowers, Barro Colorado Island, Panama

Christian Ziegler / Kinkajou (Potos flavus) pollen-covered after feeding on Balsa (Ochroma pyramidale) flower nectar, Barro Colorado Island, Panama

Paul Williams / Hoffmann's two-toed sloth (Choloepus hoffmanni) resting on branch of Balsa (Ochroma pyramidale) tree, Panama, Central America.

Doug Wechsler / Balsa tree (Ochroma pyramidale) Buenaventura Reserve, Ecuador.