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
Moss-backed Sparrow
Arremon dorbignii
The adult male moss-backed sparrow's head is mostly black, with a white supercilium from the lores to the back of the head and a narrow gray streak on the crown. The neck is gray and the back, wings, and tail are dull olive green. Its underside is white with grayish edges and a narrow black band across the upper chest. The adult female is similar but duller overall. The crown strip is olive and the underparts are buffy with brown flanks. Juveniles are similar to the adults but duller. The moss-backed sparrow shares the "striking orange bill" of its former "parent" saffron-billed sparrow.
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 Moss-backed Sparrow.