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By: Warnke, D. Keith - Andersen, David E - Dykstra, C R - Meyer, M W - Karasov, William H.,Type: ArticleIn: The journal of raptor researchVolume: 36Series:Issue: 2Date: 2002Page Range: 121--127Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Karasov, William H., - Meyer, Michael W.Type: ArticleIn: Revista chilena de historia naturalVolume:Series:Issue:Date: 2000-09-01Page Range:Publication Info:Subjects: