The brown-throated parakeet is long and weighs . The sexes are alike. Adults of the
nominate subspecies E. p. pertinax have a yellow forehead, face, and chin. Their crown, nape, and upperparts are green. Their breast is dull olive and their belly grass green with an orange patch in its center. Their wings are mostly green with dullish blue edges and tips on the flight feathers; their tail feathers are also green with dullish blue edges and tips. Immature birds have very little yellow. The other subspecies differ from the nominate thus: •
E. p. aeruginosa – buff forehead and orange-yellow crown and nape •
E. p. arubensis – yellow face with some brown mixed in •
E. p. chrysogenys – darker than all others and all a green forehead and crown •
E. p. chrysophrys – whitish forehead and rich brown face •
E. p. griseipecta – buff forehead, orange-yellow crown and nape, and olive-gray cheeks and breast •
E. p. lehmanni – buff forehead and orange-yellow crown, nape, and around the eye •
E. p. margaritensis – whitish forehead and olive-brown face •
E. p. ocularis: olive-brown face •
E. p. paraensis – darker than all but
chrysogenys with an orange-yellow belly •
E. p. surinama – whitish forehead, rich brown face with orange below the eye, and greener breast •
E. p. tortugensis – buff forehead and orange-yellow crown, nape, and sides of the head •
E. p. venezuelae – whitish forehead, olive-brown face, and yellowish upperparts •
E. p. xanthogenia – orange-yellow crown and nape ==Distribution and habitat==