This seedeater uses scrub and forest edges on Peru's eastern Andes. Males are black and white; females and juveniles are olive-brown, and males can become browner after breeding.
The male is black with a white belly and wing speculum. In basic plumage it is brown with black patches. Females and juveniles are olive-brown, paler below, with only a vestigial white wing speculum.
It is found in shrubbery at forest edges, fallow fields, and hedges.
An extinction-risk assessment has not been added yet.