Site Tenacity
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Scan day: 17 February 2014 UTC
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Description: Many birds return to the same nesting site each season. This essay discusses why this should be so.
he tendency to return each season to the same nest site or breeding colony is known as "site tenacity," "site fidelity," or "philopatry." The realization that site tenacity exists grew out of ornithologist Oliver Austin's long-term studies of Common Terns in Massachusetts. Austin found that individual terns tended to return to the same colony site and often to the same nest site within the colony. From banding studies, he discovered that this tendency increases with the age of the bird. Subsequent field studies have shown that this behavior occurs to varying degrees in a wide variety of North American birds including Common Goldeneye, Least Tern, Black Skimmer, Spotted Sandpiper, Long-billed Curlew, Broad-tailed Hummingbird, Bank Swallow, and Barn Swallow.
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Page title: | Site Tenacity |
Keywords: | Site Tenacity |
Description: | Site Tenacity |
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