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Deformed Beaks: Just the Tip of the Problem?
Birds with deformed beak and normal beak

Birds with deformed beak and normal beak

Beak abnormalities, which make it difficult for birds to feed and clean themselves, are occurring in large numbers of Black-capped Chickadees, Northwestern Crows, and other species in the Pacific Northwest and may signal a growing environmental health problem.

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URL: www.usgs.gov/blogs/features/2010/11/16/deformed-beaks-just-the-tip-of-the-problem/
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Page Last Modified: February 7, 2011