Where does the Cliff Swallow live?
Petrochelidon pyrrhonota
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Open the appThe Cliff Swallow lives in specific habitats and regions. Knowing where, and when, to look improves your chances of a successful sighting.
Biomes
Open country, grasslands, agricultural areas, urban and suburban environments, often near water sources.
Geographic range
Breeds across most of North America, from Alaska and Canada south through the United States and into Mexico. Winters in South America, primarily in the southern Amazon basin, Argentina, and Brazil.
Preferred environments
Requires vertical surfaces for nesting (cliffs, bridges, buildings) and open areas for foraging on flying insects. Often found near water bodies which provide insect prey and mud for nest construction.
Elevation range
From sea level up to approximately 3,000 meters (10,000 feet) in mountainous regions during breeding season.
Where to look
Bridges and Overpasses
Commonly found nesting under concrete bridges and highway overpasses, especially those spanning rivers or open areas.
Cliffs and Rock Faces
Natural cliff faces, particularly those with overhangs, are traditional nesting sites.
Buildings and Eaves
Barns, sheds, and other buildings with suitable eaves or sheltered vertical surfaces are frequently used for nesting.
Open Countryside
Forage over open fields, grasslands, agricultural areas, and near water bodies where insect prey is abundant.
Field tips
- Look for colonies. Cliff Swallows are highly colonial. If you find one nest, there are likely many more nearby. Look for clusters of mud nests.
- Observe flight patterns. Watch for their characteristic swirling, agile flight as they forage for insects. They often fly in groups.
- Listen for calls. Their chattering and squeaky calls are often heard around colonies, especially during the breeding season.
- Check under structures. Systematically check under bridges, culverts, and the eaves of buildings for their distinctive mud nests.
- Visit during breeding season. The best time to observe them is during their breeding season (May-August) when they are actively nesting and raising young.
Migration
Long-distance Neotropical migrant. They breed in North America and migrate south to winter in South America. Fall migration typically occurs from late July to September, and spring migration from March to May.
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