Dietmar Nill / Belize yellow crowned amazon parrot (Amazona ochrocephala oratrix) feeding in Hazel tree, Rosenstein Park, Stuttgart, Germany, endangered species, a small population of this alien species thrives in S...

Dietmar Nill / Yellow crowned parrot (Amazona ochrocephala oratrix) feeding on grass, Rosestein Park, Stuttgart, Germany, Endangered species, small population of this alien species thrives in a park in Stuttgart

Thomas Marent / Yellow-crowned Parrot (Amazona ochrocephala) pair, Venezuela

James Aldred / Boy holding juvenile Yellow crowned parrot {Amazona ochrocephala} Tambopata reserve, Amazonia, Peru, 2004

Konrad Wothe / Yellow-crowned Parrot (Amazona ochrocephala) eating seed pod, Amazon

Neil Fitzgerald/ BIA / Yellow-fronted Parakeet (Cyanoramphus auriceps), North Island, New Zealand

Glenn Bartley/ BIA / Yellow-crowned Parrot (Amazona ochrocephala) flock at mineral lick, Ecuador

Glenn Bartley/ BIA / Yellow-crowned Parrot (Amazona ochrocephala), Ecuador

Roland Seitre / Yellow-crowned Parrot (Amazona ochrocephala) pair, native to Central and South America

Roland Seitre / Yellow-crowned Parrot (Amazona ochrocephala), native to Central and South America

Joel Sartore / Photo Ark / Yellow-fronted amazon (Amazona ochrocephala nattereri) portrait, Loro Parque Fundacion. Captive, occurs in Amazon basin.

Joel Sartore / Photo Ark / Yellow-fronted amazon (Amazona ochrocephala nattereri) portrait, Loro Parque Fundacion. Captive, occurs in Amazon basin.