Bird Guide

Choco Brushfinch vs Yellow-thighed Brushfinch

Choco Brushfinch (Atlapetes crassus)

Choco Brushfinch

Atlapetes crassus

Small37 gForest

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

Sonogram of the Choco Brushfinch
Recorded by Niels Krabbe · Song · Pichincha: Tandayapa ridge 3 km SSW Tandayapa, Ecuador · CC BY-SA 4.0
Photo: Ben Costamagna · CC BY 4.0
Yellow-thighed Brushfinch (Atlapetes tibialis)

Yellow-thighed Brushfinch

Atlapetes tibialis

Small31 gForest

The yellow-thighed brushfinch is about 18 cm (7.1 in) long and weighs 27 to 35 g (0.95 to 1.2 oz). The sexes have the same plumage. Adults have puffy lemon yellow feathers on their tibiae that give the species its English name. They have a black crown. The rest of their head and their upperparts are sooty slate and their wings and tail are almost black. Their chin and throat are blackish and their underparts are dull slate. They have a dark rusty brown iris, a black bill, and black to gray legs and feet. Voice: One author described the yellow-thighed brushfinch's primary song as "high, spritely, and somewhat squeaky". Others have called it "bubbly", "metallic", "tinkling", "flowing", "squissing" and "spinking". It is sung by both sexes year-round.

ID text from Wikipedia, CC BY-SA 4.0

Photo: Katherine King · CC BY 4.0

Learn this pair in the BeakBrain App

Photo and call practice. Coming soon to iPhone and Android.

Play today's Daily Bird

Photos and recordings are credited to their authors under the licence shown. Full profiles: Choco Brushfinch and Yellow-thighed Brushfinch.