The Brown-bellied Swallow lives in the high Andes and forages above scrub, humid grassland, farmland, and settlements.
Adults are glossy blue above and grayish below, with a paler throat. The tail is forked and the vent area is black.
It forages over Andean scrub, humid grassland, farmland, and areas around human settlements.
An extinction-risk assessment has not been added yet.