- Petrochelidon pyrrhonota
5-6" (13-15 cm). Sparrow-sized. A stocky, square-tailed swallow with pale buff rump. Upperparts dull steel-blue; underparts buff-white; throat dark chestnut; forehead white.
Cliff Swallow has in the past been placed in genus Hirundo.
Four different subspecies are recognized:
- P. p. pyrrhonota:
- P. p. ganieri:
- P. p. tachina:
- South-western US to north-western Mexico and Baja; winters to South America
- P. p. melanogaster:
melanogaster is sometimes included in pyrrhonota but those sources then recognize a form minima.
Open country near buildings or cliffs. Takes suburban area North ; lakeshores and marshes on migration.
Nesting: 4-6 white eggs in a gourd-shaped structure of mud lined with feathers and placed on a sheltered cliff face or under eaves. Also nests on road bridges in large colonies.
Constant squeaky chattering and twittering.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- BirdForum Opus contributors. (2021) Cliff Swallow. In: BirdForum, the forum for wild birds and birding. Retrieved 28 January 2021 from https://www.birdforum.net/wiki/Cliff_Swallow