The Black-and-chestnut Warbling Finch ranges from Bolivia to northwestern Argentina. It has a black head, a white eyebrow that turns dark chestnut toward the rear, chestnut breast and flanks, and a pale belly. It uses scrub and wooded places and is recorded as an omnivore.
The head is black. A white eyebrow has a dark chestnut rear section, with a white malar stripe below. The upperparts are dark slaty grey, the breast and flanks dark chestnut, and the belly whitish.
It uses shrub and wooded habitats ranging from quite dry to semi-humid places. Oiseaux.net also records it as an omnivore.
An extinction-risk assessment has not been added yet.