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Although sharing of information about food at the colony seems unintentional, when a swallow finds food away from the colony during poor weather conditions it may give a specific call that alerts other Cliff Swallows that food is available.
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www.allaboutbirds.org/guide/Cliff_Swallow/lifehistory
www.allaboutbirds.org/guide/Cliff_Swallow/lifehistory
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For complete information on this species, visit The Birds of North America Online. ... All About Birds > Bird Guide > Cliff Swallow ... Cliff Swallow Range Map...
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www.allaboutbirds.org/guide/Cliff_Swallow/id
www.allaboutbirds.org/guide/Cliff_Swallow/id
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Cliff Swallow - Wikipedia, the free encyclopedia
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The Cliff Swallow ( Petrochelidon pyrrhonota ) is a member of the passerine bird family Hirundinidae — the swallows and martins. It breeds in North America, and is migratory, wintering in western ...
en.wikipedia.org/wiki/Cliff_Swallow
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The Cliff Swallow is on average 5 inches long with a short bill and a square-ended tail. The adult Cliff Swallow is an iridescent dark blue on the back and crown with brown wings and a brown tail behind an orange rump.
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www.bio.davidson.edu/people/vecase/Behavior/Spring2006/...
www.bio.davidson.edu/people/vecase/Behavior/Spring2006/Shelton/General_Information.html
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Cliff Swallow - Petrochelidon pyrrhonota - Species Information and Photos, including id keys, habitat, diet, behavior, nesting, migration, and conservation status ... Further Information: 1) Patuxent Bird Identification InfoCenter, Cliff Swallow...
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www.sdakotabirds.com/species/cliff_swallow_info.htm
www.sdakotabirds.com/species/cliff_swallow_info.htm
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The cliff swallow is 5 to 6 inches in length and is the only square-tailed swallow in California. In contrast, the barn swallow is distinguished by its long, deeply forked tail. The cliff swallow is also recognized by its pale,orange-brown rump, white forehead, dark rust-colored throat, ... PUBLICATION INFORMATION...
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www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7482.html
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Colonies of cliff swallows (Aves: Hirundo pyrrhonota) appear to be information centers in which colony residents acquire information on the location of food sources. Individuals that have been unsuccessful on a foraging trip return to the colony, locate a successful forager, and follow that individual to a food source.
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www.sciencemag.org/cgi/content/short/234/4772/83
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BioInfoBank Library :: Cliff Swallow Colonies as Information Centers. Experimental evidence for group hunting via eavesdropping in echolocating bats. Phylogeographical structure and evolutionary history of two Buggy Creek virus lineages in the western Great Plains of North America. ... Colonies of cliff swallows (Aves:
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lib.bioinfo.pl/pmid:17742636
lib.bioinfo.pl/pmid:17742636
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