The rufous-vented tapaculo is long. Males weigh and females. Adults have a dark brown head and back with a dark brownwash and the rump is dark reddish brown. The throat, breast, and belly are a paler gray; flanks and vent area are cinnamon with broad dark bars. The juvenile is brown above with faint bars and yellow buff with dark bars below.
The IUCN has assessed the rufous-vented tapaculo as being of Least Concern. The species has a very large range, and though the population number has not been determined, it is believed to be fairly large and stable.