Choco Brushfinch
Atlapetes crassus
The Choco brushfinch is 16 to 18 cm (6.3 to 7.1 in) long and weighs 29.5 to 40 g (1.0 to 1.4 oz). The sexes have the same plumage. Adults have a tawny-golden crown and nape and a black face. Their back is dark olive to dark gray and their rump and uppertail coverts are olive. Their tail is dusky blackish and their wings dusky gray with dark olive feather edges. Their throat and underparts are bright yellow with an olive wash on the sides, flanks, vent, and undertail coverts. They have a deep reddish brown iris, a long, stout black bill, and grayish or dusky black legs and feet. Voice: The Choco brushfinch's song is a "lively phrase lasting some 2‒3 seconds that is repeated (with or without variations) every few seconds...transcribed as tzit-tzit-tzit-tju-tju-tju-tju-tjrrrr or seeuwee swee swit-swit-swit". Its call is a "high-pitched short staccato tsit". The species sings mostly at dawn and the early morning, typically from a high perch.
ID text from Wikipedia, CC BY-SA 4.0
Yellow-breasted Brushfinch
Atlapetes latinuchus
The yellow-breasted brushfinch is about 17 cm (6.7 in) long and weighs about 16 to 31 g (0.56 to 1.1 oz). The sexes have the same plumage. Adults of the nominate subspecies A. l. latinuchus have a rufous to orange-rufous stripe from the forehead to the nape. Their face is black with a wide yellow lower cheek and a thin black line below it. Their upperparts are dark slate gray. Their wings are slightly blacker with white bases on the primaries. Their tail is blackish with olive feather edges. Voice: The yellow-breasted brushfinch's dawn song is a "relatively short and simple, sweet whistled phrase that is repeated with variations every few seconds". Excited pairs give a jumbled and slightly musical series of notes. The species' calls include "a very high-pitched...very short tink or tsik" and a "high-pitched, finely modulated buzzy" tsweet.
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: Choco Brushfinch and Yellow-breasted Brushfinch.