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By: Hansen, R W - Flake, Lester DType: ArticleIn: The journal of raptor researchVolume: 29Series:Issue: 3Date: 1995Page Range: 166--171Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Hansen, R W - Flake, Lester DType: ArticleIn: The journal of raptor researchVolume: 29Series:Issue: 1Date: 1995Page Range: 32--34Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: