Cliff Swallow (Petrochelidon pyrrhonota) Nests .The mud nests of cliff swallows, tightly bunched together at Fossil Point.

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Photo credit: © Natural History Library / Alamy / Afripics
License: Licensed
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Keywords: &, alaska, alsworth, america, american, bird, birds, clark, coast, conservation, country, history, lake, land, lands, national, natural, nature, nests, park, parks, port, preserve, public, service, songbirds, swallow, usa, widlife, wilderness, wildlife