The Black Antbird lives along edges and in the understory of humid evergreen forests in the western Amazon. The male is black to dark grey with a white patch between the shoulders.
It is about 13.5–14.5 cm long. The male is black to dark grey, with a white interscapular patch and grey-edged flight feathers.
It occurs at humid evergreen forest edges, in forest understory, bamboo thickets, and second growth. It is diurnal and eats invertebrates, but the details of its diet are not well known.
An extinction-risk assessment has not been added yet.