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

Painted Parakeet
Pyrrhura picta
The painted parakeet is 20 to 23 cm (7.9 to 9.1 in) long; the nominate subspecies weighs 46 to 85 g (1.6 to 3.0 oz). The sexes are the same in all subspecies. Adults of the nominate subspecies are blue from their forehead to their hindcrown that becomes deep maroon on the hindcrown and nape. They have a narrow blue collar below the nape. Their face is maroon with a ring of bare grayish skin around the eye, and their ear coverts are whitish. Their upperparts are mostly green with a dull red lower back and rump. Voice: The vocalizations of the painted parakeet vary somewhat by subspecies. The nominate's most common call is "a series of rather high-pitched, somewhat yelping notes, e.g. "kyeek kyeek kyeek" " that is given both from a perch and in flight. Perched birds also give "a more rolling "kurrek" and a subdued "kek"." However, perched birds are often silent.
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-tailed Parakeet and Painted Parakeet.