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By: Lewis, Richard A - Degner, Mark A.Type: ArticleIn: The Canadian field-naturalistVolume: 96Series:Issue: 2Date: 1982Page Range: 218--219Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Lewis, Richard AType: ArticleIn: The Wilson bulletinVolume: 97Series:Issue: 1Date: 1985Page Range: 97--101Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: