Aves > Passeriformes > Hirundinidae > Hirundininae > Petrochelidon > Petrochelidon pyrrhonota > Petrochelidon pyrrhonota melanogaster

subspecies: Petrochelidon pyrrhonota melanogaster (Cliff Swallow, )

Annotation: Not included in treatment by Howard and Moore (2003), but included in treatment by Clements (2000) and BNA.