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By: Graber, Richard R. (Richard Rex), - Hassler, Sylvia SueType: ArticleIn: The Wilson bulletinVolume: 74Series:Issue: 4Date: 1962Page Range: 367--380Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Hassler, Sylvia Sue - Graber, Richard R. (Richard Rex), - Bellrose, Frank C. (Frank Chapman),Type: ArticleIn: The Wilson bulletinVolume: 75Series:Issue: 1Date: 1963Page Range: 56--77Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: