Olive Finch vs Sierra Nevada Brushfinch

Olive Finch

Arremon castaneiceps

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The olive finch has olive green plumage with a chestnut crown and nape. The face and throat are dark gray, and the wings and tail are darker in color than the rest. The tail is more rounded compared to other Arremon species. A juvenile olive finch presents similarly to adults but with a duller crown, olive throat and face, and uneven plumage coloration. More specific information on the bird's molt and its timing is not available for this species. It has a brown or dark brown iris, black or dark gray bill, and black tarsi and toes. The olive finch has a length of 15.5-16.

ID text from Wikipedia, CC BY-SA 4.0

Photo: Ana Agreda, Aves y Conservación · Public domain

Sierra Nevada Brushfinch

Arremon basilicus

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The Sierra Nevada brushfinch is about 19 cm (7.5 in) long. The sexes have the same plumage. Adults have a black crown with a gray stripe in the middle, a gray supercilium that extends to the nape and continues behind the ear coverts. The rest of their face is black. Their upperparts, wings, and tail are olive-green. Their throat is white with a narrow black band below it. The center of their breast and belly is white and their sides, flanks, and vent are brownish olive. They have a dark chestnut-brown iris, a black bill, and blackish legs and feet. Voice: The Sierra Nevada brushfinch's song is "a high-pitched sibilant series of notes...with very fast delivery and almost nervous sound, this due also to inclusion of some quavering high-pitched whistles". Its call is "a sharp note".

ID text from Wikipedia, CC BY-SA 4.0

Photo: johnyochum · CC BY 4.0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Olive Finch and Sierra Nevada Brushfinch.