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By: Smallwood, K SType: ArticleIn: The journal of raptor researchVolume: 32Series:Issue: 4Date: 1998Page Range: 323--329Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Smallwood, K SType: ArticleIn: The journal of raptor researchVolume: 29Series:Issue: 3Date: 1995Page Range: 172--178Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: