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By: Craig, Timothy H. - Halford, Douglas K - Markham, O DoyleType: ArticleIn: The Wilson bulletinVolume: 91Series:Issue: 1Date: 1979Page Range: 72--77Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Markham, O Doyle - Halford, Douglas KType: ArticleIn: The Wilson bulletinVolume: 94Series:Issue: 2Date: 1982Page Range: 185--197Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: