Petrochelidon

Petrochelidon
	An American cliff swallow starting to build a mud nest under the eaves of a building in California
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Passeriformes
Family:	Hirundinidae
Genus:	Petrochelidon; Cabanis, 1851
Type species
	Hirundo melanogaster; Swainson, 1827
Species
	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:

^ "Hirundinidae". aviansystematics.org. The Trust for Avian Systematics. Retrieved 2023-07-15.
^ Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 300. ISBN 978-1408125014.

[HM4-1] "Hirundinidae". aviansystematics.org. The Trust for Avian Systematics. Retrieved 2023-07-15.

[job-2] Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 300. ISBN 978-1408125014.

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