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By: Bernstein, Neil P - Maxson, Stephen JType: ArticleIn: The Wilson bulletinVolume: 97Series:Issue: 4Date: 1985Page Range: 450--462Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Maxson, Stephen J - Bernstein, Neil PType: ArticleIn: The Wilson bulletinVolume: 94Series:Issue: 3Date: 1982Page Range: 269--281Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: