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By: Johnson, Bruce R - Ryder, Ronald AType: ArticleIn: The Wilson bulletinVolume: 89Series:Issue: 1Date: 1977Page Range: 116--121Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Linkhart, Brian D - Reynolds, Richard T. - Ryder, Ronald AType: ArticleIn: The Wilson bulletinVolume: 110Series:Issue: 3Date: 1998Page Range: 342--351Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: