10, See text Petrochelidon is a genus of birds known as cliff-nesting swallows.

The genus name Petrochelidon is from the Greek words petra, "rock", and khelidon, "swallow".

[2] The genus includes all of the five species of birds commonly called cliff swallow, and contains the following species: The genus contains ten species:[3]

This Hirundinidae-related article is a stub.

You can help Wikipedia by expanding it.