The Brasília tapaculo is long. One male weighed and two unsexed specimens weighed. The adult is blue-gray above and whitish to pale gray below. The lower back and rump are reddish brown and the vent is rufous with gray barring. The juvenile has not been described.
The only information on the Brasília tapaculo's breeding phenology is that a specimen collected in July had active gonads.
Vocalization
The Brazilia tapaculo's song is an "ewk" note repeated for up to a minute . Its alarm call is a series of sharp "che-te-te" notes. Another call is a fast series of "chip" notes that increase in volume.
Status
The IUCN has assessed the Brasília tapaculo as Endangered. Its range of approximately 72 km2 is greatly fragmented and under continued threat of degradation. It does, however, occur in at least six protected areas.