Juergen Freund / Gouldian finches (Erythrura gouldiae) red head male and black headed female, perched on branch, Mareeba, Queensland, Australia.

Angelo Gandolfi / Flock of Nanday Parakeet (Nandayus nenday) at feeding table. Pantanal, Brazil.

Pete Oxford / Black-headed Parrot (Pionites melanocephala), Yasuni National Park, Amazon Rainforest, Ecuador

Pete Oxford / Black-headed Parrot (Pionites melanocephala) pet belong to the Huaorani Indians. It lives in the house and travels with them when they visit other communities. Gabaro Community, Yasuni National Park,...

Murray Cooper / Black-headed Parrot (Pionites melanocephala), Ecuador

Luiz Claudio Marigo / Black headed caique parrot {Pionites melanocephala} Amazonia, Brazil

Michael Durham / Black headed caique parrot {Pionites melanocephala} captive, from South America

Pete Oxford / Black headed chique parrot feeding, Amazon rainforest, Ecuador

Joel Sartore / Photo Ark / Black-headed parrot (Pionites melanocephalus pallidus) portrait, Parque de las Leyendas, Lima, Peru. Captive.

Joel Sartore / Photo Ark / Blue-headed macaw (Primolius couloni), Tracy Aviary and Botanical Gardens, Salt Lake City, Utah, USA. Captive.

Joel Sartore / Photo Ark / Blue-headed macaw (Primolius couloni), Tracy Aviary and Botanical Gardens, Salt Lake City, Utah, USA. Captive.

Joel Sartore / Photo Ark / Red-fan parrot (Deroptyus accipitrinus) displaying and curiouly looking at the camera, Houston Zoo. Captive.