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By: Giese, Alan R - Forsman, E DType: ArticleIn: The journal of raptor researchVolume: 37Series:Issue: 2Date: 2003Page Range: 117--124Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Hamer, T E - Hays, D L - Senger, C M - Forsman, E DType: ArticleIn: The journal of raptor researchVolume: 35Series:Issue: 3Date: 2001Page Range: 221--227Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Miller, G - Forsman, E D - Johnson, D HType: ArticleIn: The journal of raptor researchVolume: 27Series:Issue: 1Date: 1993Page Range: 57--57Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: