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By: Raitt, Ralph J. - Hardy, John WilliamType: ArticleIn: The Wilson bulletinVolume: 88Series:Issue: 4Date: 1976Page Range: 529--554Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Thomaides, Christos - Valdez, Raul - Reid, W H - Raitt, Ralph J.Type: ArticleIn: The journal of raptor researchVolume: 23Series:Issue: 2Date: 1989Page Range: 42--44Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Winterstein, Scott R - Raitt, Ralph J.Type: ArticleIn: The Wilson bulletinVolume: 95Series:Issue: 2Date: 1983Page Range: 256--268Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Raitt, Ralph J. - Hardy, John WilliamType: ArticleIn: The Wilson bulletinVolume: 91Series:Issue: 1Date: 1979Page Range: 1--15Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Raitt, Ralph J. - Winterstein, Scott R - Hardy, John WilliamType: ArticleIn: The Wilson bulletinVolume: 96Series:Issue: 2Date: 1984Page Range: 206--227Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: