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By "Pearson, Robert R "
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Distribution, numbers, and site characteristics of spotted owls and barred owls in the Cascade Mountains of Washington
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By: Pearson, Robert R - Livezey, Kent B
Type: Article
In: The journal of raptor research
Volume: 37
Series:
Issue: 4
Date: 2003
Page Range: 265--276
Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
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