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By: Hill, Norman P - Hagan, John M - Harrison, Julian R. 3rdType: ArticleIn: The Wilson bulletinVolume: 103Series:Issue: 2Date: 1991Page Range: 165--182Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Hill, Norman P - Bishop, K. David.Type: ArticleIn: The Wilson bulletinVolume: 111Series:Issue: 4Date: 1999Page Range: 559--560Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: