The Black Antshrike occurs in eastern Panama and northern Colombia. The AOS checklist places it at lowland evergreen-forest edges and in secondary forest from 0–600 m; a species account lists its length as 16 cm.
The species account lists the Black Antshrike at 16 cm in length.
The AOS checklist lists tropical lowland evergreen-forest edges and secondary forest at 0–600 m.
Wetmore describes the adult male as deep black. Females and immature males have a chestnut back, with dense white to buff-white streaking on the head and underparts.
An extinction-risk assessment has not been added yet.