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By: Bayard de Volo, Shelley. - Reynolds, Richard T. - Topinka, J. Rick - May, B - Antolin, Michael FType: ArticleIn: The journal of raptor researchVolume: 39Series:Issue: 3Date: 2005Page Range: 286--295Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: