This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Hybrid Hirundo rustica erythrogaster Petrochelidon pyrrhonota swainsoni . Barn Swallow Petrochelidon pyrrhonota swainsoni Subspecies of American Cliff Swallow Hirondelle rustique Petrochelidon pyrrhonota swainsoni Sousespce de Hirondelle front blanc org page monograph of the Hirundinidae creator Richard Bowdler Sharpe PDold