Wednesday, October 08, 2008

Beavers: Dam Good For Songbirds

http://www.sciencedaily.com/releases/2008/10/081008151316.htm

ScienceDaily (Oct. 8, 2008) — The songbird has a friend in the beaver. According to a study by the Wildlife Conservation Society (WCS), the busy beaver's signature dams provide critical habitat for a variety of migratory songbirds, particularly in the semi-arid interior of the Western U.S.

The study, which appears in the October 2008 issue of the journal Western North American Naturalist, says that through dam building, beavers create ponds and stimulate growth of diverse streamside vegetation critical for birds, including many migratory songbirds in decline. The study found that the more dams beavers build, the more abundant and diverse local songbirds become.

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