Lucas Bustamante / Grey-cheeked parakeets (Brotogeris pyrrhoptera) perched and grooming on a branch. Guayaquil, Guayas, Ecuador.

Cyril Ruoso / Young girl with Yellow-chevroned parakeets (Brotogeris chiriri) in Yurimaguas market, Amazon, Peru. November 2006.

Luiz Claudio Marigo / Yellow-chevroned Parakeets (Brotogeris chiriri) feeding, Pantanal, Mato Grosso State, Western Brazil.

Luiz Claudio Marigo / Yellow-chevroned Parakeets (Brotogeris chiriri) preening, Pantanal, Mato Grosso State, Western Brazil.

Luiz Claudio Marigo / Yellow-chevroned Parakeets (Brotogeris chiriri) preening, Pantanal, Mato Grosso State, Western Brazil.

Tim Laman / Cobalt-winged Parakeets (Brotogeris cyanoptera) above clay lick east of Anangu and south of the Napo River, Yasuni National Park, Orellana Province, Ecuador, July.

Tim Laman / Cobalt-winged Parakeets (Brotogeris cyanoptera) eating clay at clay lick east of Anangu and south of the Napo River, Yasuni National Park, Orellana Province, Ecuador, July.

Tim Laman / Cobalt-winged Parakeets (Brotogeris cyanoptera) eating clay at clay lick east of Anangu and south of the Napo River, Yasuni National Park, Orellana Province, Ecuador, July.

Suzi Eszterhas / Orange-chinned Parakeets (Brotogeris jugularis) interacting, Northern Costa Rica, Central America

David Tipling / Cobalt-winged Parakeets (Brotogeris cyanoptera) feeding on seeds, Tambopata, Peru

David Tipling / Cobalt-winged Parakeets (Brotogeris cyanoptera) at river bank clay lick, Tambopta, Amazon, Peru

Suzi Eszterhas / Orange-chinned Parakeet (Brotogeris jugularis), northern Costa Rica