This small swallow is mostly dark, with a large white belly patch. The cap is only slightly darker than the rest of the head. It occurs in the mountains of Central America.
It has grayish-brown upperparts, darker rump and upper tail-coverts, and brownish-black wings and tail. The belly has a large white patch; the cap is only slightly darker than the rest of the head.
It uses open woodland, woodland edges, farmland, and settled areas. It feeds alone or in small groups and sometimes flies low to the ground.
It usually flies low over treetops, then high overhead in a fast, twinkling flight; it sometimes perches on wires.
An extinction-risk assessment has not been added yet.