adult; no sexual dimorphism; rufous on head (California, USA; 2006-05-13)
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American Cliff Swallow
Petrochelidon pyrrhonota
Native Range: North America and Middle America
Notes:
nests colonially under cliffs or bridges, with each nest constructed of mud and built complete with a roof and an atrium or tunnel-like entrance; migrates long distances from its breeding grounds in the USA and Canada to wintering grounds in southern South America; an active flyer that feeds on insects while in flight.
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