Genus

Petrochelidon (Cliff swallows and allies)

Petrochelidon pyrrhonota. Photo: (c) Dean Hester, some rights reserved (CC BY-NC-ND)

Petrochelidon is a genus of birds known as cliff-nesting swallows. The genus name Petrochelidon is from the Ancient Greek words petros, “rock”, and khelidon, “swallow”.

— Wikipedia

Subtaxa

Where in Humboldt



Discussion

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