Choco Brushfinch

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.