Roger Powell / Purple-crowned Lorikeet (Glossopsitta porphyrocephala) resting on a branch. Werribee, Victoria, Australia

Cyril Ruoso / Mealy amazon parrit (Amazona farinosa) Amazon, Peru.

Cyril Ruoso / Mealy amazon parrot (Amazona farinosa) yawning, Amazon, Peru.

Gabriel Rojo / Blue-crowned parakeet (Thectocercus acuticaudatus) two perched together. Ibera Marshes, Corrientes Province, Argentina.

Agustin Esmoris / Blue-crowned Parakeet (Aratinga acuticaudata), Buenos Aires, Argentina

Glenn Bartley / Blue-crowned Parakeet (Aratinga acuticaudata) pair, Bolivia

Konrad Wothe / Mealy Amazons (Amazona farinosa farinosa) at clay lick, Tambopata National Reserve, Peru, South America.

Konrad Wothe / Mealy Amazons (Amazona farinosa farinosa) and Chestnut-fronted Macaws (Ara severa) at clay lick, Tambopata National Reserve, Peru, South America.

Konrad Wothe / Mealy Amazons (Amazona farinosa farinosa) and Dusky-headed Parakeets (Aratinga weddellii) Tambopata National Reserve, Peru, South America.

Daniel Gomez / Blue crowned parrot pet {Aratinga acuticaudata} Para State, Brazil.

Glenn Bartley/ BIA / Blue-crowned Parakeet (Aratinga acuticaudata), Bolivia

Flip de Nooyer / Blue-crowned Parakeet (Aratinga acuticaudata) group of feeding on the ground, Pantanal, Brazil