David Tipling / Amigo, a Yellow-naped Amazon Parrot (Amazona auropalliata) singing into microphone, star of the 'Birds N Buddies Show' at Jurong Bird Park, Singapore, November 2011.

Glenn Bartley / Yellow-crowned Parrot (Amazona ochrocephala) pair at clay lick, Ecuador

David Tipling / Yellow-crowned Parrot (Amazona ochrocephala) feeding, Iquitos, Peru

Nick Garbutt / Yellow-crowned Parrot / Amazon (Amazona ochrocephala) Northern Pantanal, Brazil. September

Pete Oxford / Yellow-crowned Parrot (Amazona ochrocephala) in rainforest, Amazon, Ecuador

Pete Oxford / Yellow-crowned Parrot (Amazona ochrocephala) group for pet trade on flight to Georgetown, Guyana

Murray Cooper / Yellow-crowned Parrot (Amazona ochrocephala) flock feeding at clay lick, Amazon, Ecuador

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