David Perpinan / Close-up of Yellow chevroned parakeet (Brotogeris chiriri) chicks and a Peach fronted parakeet (Aratinga aurea) chick in a cage, confiscated from illegal wildlife trade, Brazil.

David Perpinan / Yellow chevroned parakeets (Brotogeris chiriri) and Peach fronted parakeets (Aratinga aurea), confiscated from illegal wildlife trade, Brazil.

Brent Stephenson / Adult Yellow-crowned parakeet (Cyanoramphus auriceps) perched in a tree, showing the yellowish belly and forehead. Hawdon Valley, Canterbury, New Zealand, January.

Andrew Walmsley / Yellow-crowned parakeet / Kakariki (Cyanoramphus auriceps) perched, captive, Orana Wildlife Park, Christchurch, New Zealand, June

Rod Williams / Yellow crowned / fronted parakeet {Cyanoramphus auriceps}, from Stewart Is, New Zealand

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

Joel Sartore / Photo Ark / Gold crowned conure (Aratinga auricapillus aurifrons) portrait, Jurong Bird Park, Singapore. Captive, occurs in Brazil and Paraguay.

Joel Sartore / Photo Ark / Gold crowned conure (Aratinga auricapillus aurifrons) portrait, Jurong Bird Park, Singapore. Captive, occurs in Brazil and Paraguay.

Joel Sartore / Photo Ark / Gold crowned conure (Aratinga auricapillus aurifrons) head portrait, Jurong Bird Park, Singapore. Captive, occurs in Brazil and Paraguay.

Roland Seitre / Three Peach-fronted conures (Aratinga aurea) in flight, Beni, Bolivia.

Karine Aigner / Mealy parrot (Amazona farinosa), Dusky Headed Parakeet (Aratinga weddellii) and Yellow-crowned Parrot (Amazona ochrocephala) group at clay lick. Yasuni National Park, Ecuador

Andy Trowbridge / Yellow-crowned parakeet (Cyanoramphus auriceps) perched on branch. Arthur's Pass National Park, Southern Alps, New Zealand. September.