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By: Pitman, Robert L - Ballance, Lisa TType: ArticleIn: The Wilson bulletinVolume: 114Series:Issue: 1Date: 2002Page Range: 11--19Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Pitman, Robert L - Jehl, Joseph R., Jr.,Type: ArticleIn: The Wilson bulletinVolume: 110Series:Issue: 2Date: 1998Page Range: 155--170Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: