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By: Klopfer, Peter HubertType: ArticleIn: The Wilson bulletinVolume: 75Series:Issue: 1Date: 1963Page Range: 15--22Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Pulliam, Ronald - Gilbert, Barrie - Klopfer, Peter Hubert - Mcdonald, Dennis - Mcdonald, Linda - Millikan, GeorgeType: ArticleIn: The Wilson bulletinVolume: 84Series:Issue: 1Date: 1972Page Range: 77--89Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: