Plumage varies across the species. Males of the nominate subspecies are almost black with a small white patch on the folded wing; females are buff.
Males of the nominate subspecies are almost entirely black, with a small white patch on the folded wing. Males of other subspecies may have pale underparts and a partial collar; females are buff to tan.
It lives in semi-open lowland and foothill habitats, sometimes flocking with other seedeaters in pasture and weedy fields. Grass seeds are its main food, with some berries and insects.
An extinction-risk assessment has not been added yet.