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By: Laybourne, Roxie C. - Deedrick, Douglas W - Hueber, Francis MType: ArticleIn: The Wilson bulletinVolume: 106Series:Issue: 1Date: 1994Page Range: 18--25Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Sabo, Beth Ann - Laybourne, Roxie C.Type: ArticleIn: The journal of raptor researchVolume: 28Series:Issue: 3Date: 1994Page Range: 192--193Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: