Stelgidopteryx (Baird, 1858) is a small genus of swallows. It contains two species: \n* Northern rough-winged swallow, Stelgidopteryx serripennis, a migratory North America bird \n* Ridgway's rough-winged swallow, Stelgidopteryx serripennis ridgwayi \n* Southern rough-winged swallow, Stelgidopteryx ruficollis, a partial migrant breeding in Central and South America Adults of both species are brown on top with lighter underparts and a slightly forked tail. They nest in cavities but do not excavate their holes or form colonies.