The ring-necked parakeet (Psittacula krameri).

A species of parakeet, Psittacula krameri, prevalent in Asia and famous for escaping domestication and establishing wild populations in Britain.

plural of ring-necked parakeet

plural of rose-ringed parakeet

A small parrot endemic to eastern Brazil, Pyrrhura leucotis. (The Venezuelan, grey-breasted and Pfrimer's parakeets were formerly classed as subspecies but are increasingly treated as separate species.)

Brotogeris versicolurus, a species of parakeet native to the Amazon River, but has since been exported to many more places, where it now has stable free-roaming populations.