Genus Petrochelidon

Cave Swallow - The Cave Swallow measures from 12 to 14 cm in length and weighs 19 g on average. It has grey-blue upperparts and brown-tangerine forefront and throat.

American Cliff Swallow - The Cliff Swallow is a member of the passerine bird family Hirundinidae — the swallows and martins.

Order : Passeriformes
Family : Hirundinidae
Genus : Petrochelidon