The plain parakeet (Brotogeris tirica) is a species of bird in subfamily Arinae of the family Psittacidae, the African and New World parrots.

[2] The plain parakeet was formally described in 1788 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae.

[8][9] The plain parakeet is found in eastern Brazil from Alagoas south to Santa Catarina with an isolated population in Rio Grande do Sul.

[8][9] It is common in cities "including the huge metropolises of Rio de Janeiro and São Paulo".

[8] A plain parakeet feeds mainly on seeds, fruit, flowers, and nectar from a very wide variety of plants and trees.

[8][10] The plain parakeet's breeding season is believed to be from September to December but possibly begins earlier and ends later.

The plain parakeet's calls include "a rather high-pitched shrill “cree” or bisyllabic “cra-creep”, and a lower-pitched, harsh-sounding “cra-cra-cra”" that are given both from a perch and in flight.