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By: Bildstein, Keith L. (Keith Louis), - Post, William - Johnston, James - Frederick, Peter CType: ArticleIn: The Wilson bulletinVolume: 102Series:Issue: 1Date: 1990Page Range: 84--98Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Frederick, Peter C - Bildstein, Keith L. (Keith Louis),Type: ArticleIn: The Wilson bulletinVolume: 104Series:Issue: 1Date: 1992Page Range: 1--21Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: