Black-headed Brushfinch
Arremon atricapillus
The black-headed brushfinch is about 19 cm (7.5 in) long and weighs about 49.5 g (1.7 oz). The sexes have the same plumage. Adults have an almost entirely black head with a white throat. Their upperparts, wings, and tail are olive-green. The white of the throat continues through the breast and belly. The sides of their breast are gray and their flanks and vent are grayish olive. They have a dark chestnut-brown iris, a black bill, and blackish legs and feet. Juveniles have a greenish olive head and upperparts, dull brown wings and tail, and tawny underparts. Subspecies A. a. Voice: The black-headed brushfinch's song is "a high-pitched series of rambling notes which proceed without breaks" and its call is "a sharp note".
ID text from Wikipedia, CC BY-SA 4.0
Green-striped Brushfinch
Arremon virenticeps
The green-striped brushfinch is about 17 to 19 cm (6.7 to 7.5 in) long and weighs 31 to 39 g (1.1 to 1.4 oz). The sexes have the same plumage. Adults have a black crown with a wide yellowish olive-green stripe in the middle. They have a white spot above the lores and a wide olive-yellow supercilium on an otherwise black face. Their upperparts, wings, and tail are olive-green with yellow at the bend of the wing. Their throat and upper breast are white, their flanks olive-green, and the rest of their underparts grayish. Voice: The green-striped brushfinch's song is "a variable, often prolonged series of high, thin notes with slightly jerky, irregular rhythm ... ssi-ssi ssi ssi-ssi, ssi ssi-ssi ssi ssi-ssi ssi-ssi ssi-ssi-ssi, etc." and its call "a high, thin, sharp, ssii".
ID text from Wikipedia, CC BY-SA 4.0
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Black-headed Brushfinch and Green-striped Brushfinch.