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By: Michaels, Heidi L - Cully, Jack FType: ArticleIn: The Wilson bulletinVolume: 110Series:Issue: 4Date: 1998Page Range: 474--482Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Cully, Jack F - Michaels, Heidi LType: ArticleIn: The Wilson bulletinVolume: 112Series:Issue: 1Date: 2000Page Range: 115--123Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: