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By: Ricklefs, Robert EType: ArticleIn: The Wilson bulletinVolume: 78Series:Issue: 1Date: 1966Page Range: 47--56Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Ricklefs, Robert EType: ArticleIn: Journal of the New York Entomological SocietyVolume: 83Series:Issue:Date: 1975Page Range: 19--32Publication Info: Lawrence, Kan Allen Press [etc.]Subjects:
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By: Ricklefs, Robert EType: ArticleIn: The Wilson bulletinVolume: 116Series:Issue: 2Date: 2004Page Range: 119--133Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: