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By: Boyce, Douglas A. - Kennedy, Patricia L - Beier, Paul. - Ingraldi, Michael F - Macvean, S R - Siders, M S - Squires, J R - Woodbridge, BrianType: ArticleIn: The journal of raptor researchVolume: 39Series:Issue: 3Date: 2005Page Range: 296--302Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: