Gabriel Rojo / Monk parakeet (Myiopsitta monachus) Calden Forest , La Pampa , Argentina

Ben Cranke / Jandaya Parakeet (Aratinga jandaya) perched on a tree branch, Piaui, Brazil. August.

Wild Wonders of Europe / Geslin / Monk parakeet (Myiopsitta monachus) pair perched in tree in the Vatican garden, Rome, Italy, March 2010

Wild Wonders of Europe / Geslin / Monk parakeet (Myiopsitta monachus) pair perched in tree in the Vatican garden, Rome, Italy, March 2010

Wild Wonders of Europe / Geslin / Monk parakeets (Myiopsitta monachus) at fountain in the Vatican garden, Rome, Italy

Luiz Claudio Marigo / Golden capped conure {Aratinga auricapilla} Minas Gerais, Brazil.

Luiz Claudio Marigo / Flock of Blue crowned parakeets / conures feed on Chinaberry, Bolivia {Aratinga acuticaudata

Gabriel Rojo / Burrowing parrots / Patagonian conures feeding {Cyanoliseus patagonus} Argentina

Pete Oxford / Monk parakeet {Myiopsitta monachus} feeding on mango Pantanal, Brazil

Rod Williams / Thick billed parrot, native to Mexico. Endangered species

Philippe Clement / Sun parakeets / conures (Aratinga solstitialis) group perched on branch and preening each other, South America, captive

David Perpinan / Peach-fronted parakeets (Aratinga aurea) at roosting site, Pantanal, Mato Grosso do Sul, Brazil.