Cliff Swallow - Petrochelidon pyrrhonota

Length 5.5 in (14.0 cm)
Weight 0.6-1.0 oz (17-27 g)
Clutch Size 1-6
Chicks at birth Altricial
IUCN Conservation Status Least Concern
Continents:NA, SA

The Cliff Swallow is also known as the American Cliff Swallow and the North American Cliff Swallow. They breed throughout North America and winter in South America.

A good place to see them and get fairly close is at the Hayward Regional Shoreline in Hayward, CA. They nest near the Interpretive Center and farther down the path at a small bridge. Cliff Swallows build their nests from mud. It is interesting to see them gathering the mud at Hayward.

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