Maroon-bellied Parakeet
Pyrrhura frontalis
These birds range from 25 to 28 cm (9.8 to 11.0 in), and are primarily green, with a maroon patch on the belly, a "scaly" yellow-green-barred breast and sides of neck, a whitish ear-patch often tinged brown, and a maroon undertail. The specific name frontalis is a reference to its dark maroon frontlet – a feature which separates it from most similar species. The primaries are blue on the outer webs, green on the inner webs, and dark on the tips. The beak is black. The nominate subspecies P. f. frontalis has a greenish-yellow uppertail grading into a broad reddish tip. The subspecies P. f.
ID text from Wikipedia, CC BY-SA 4.0
Maroon-tailed Parakeet
Pyrrhura melanura
The maroon-tailed parakeet is 23 to 25 cm (9.1 to 9.8 in) long and weighs about 83 g (2.9 oz). The sexes are the same. Adults of the nominate subspecies P. m. melanura have a mostly green head with a brown crown and nape. Their upperparts are green. Their throat, the sides of their neck, and their breast are dark green with buffy whitish feather edges that give a scaly appearance. The rest of their underparts are green. Their wing is mostly green with red and yellowish orange primary coverts; their primaries are mostly blue. Voice: The maroon-tailed parakeet's most common call is "a series of loud, harsh notes, e.g. screeet screeet screeet" that is given both from a perch and in flight. However, perched birds are often silent. Members of a flock "call frequently and simultaneously, producing a noisy, harsh chattering ."
ID text from Wikipedia, CC BY-SA 4.0

Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Maroon-bellied Parakeet and Maroon-tailed Parakeet.