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About this episode
Jun 4, 2007
00:32
Cliff Swallows (Petrochelidon pyrrhonota) have built a number of nests at the Baylands Nature Preserve visitor center in Palo Alto, California.Here'...
Cliff Swallows (Petrochelidon pyrrhonota) have built a number of nests at the Baylands Nature Preserve visitor center in Palo Alto, California.Here's a still image of the nest on Flickr, and one of a baby who didn't make it.
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