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By: Klaas, Erwin E - Ohlendorf, Harry M. - Heath, Robert GType: ArticleIn: The Wilson bulletinVolume: 86Series:Issue: 2Date: 1974Page Range: 156--164Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Klaas, Erwin E - Swineford, Douglas MType: ArticleIn: The Wilson bulletinVolume: 88Series:Issue: 3Date: 1976Page Range: 421--426Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Ohlendorf, Harry M. - Klaas, Erwin E - Kaiser, T EarlType: ArticleIn: The Wilson bulletinVolume: 90Series:Issue: 4Date: 1978Page Range: 608--618Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: