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By: Wiebe, Myra O - Lein, M RossType: ArticleIn: The Wilson bulletinVolume: 111Series:Issue: 3Date: 1999Page Range: 368--375Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Wiebe, Myra O - Lein, M RossType: ArticleIn: The Canadian field-naturalistVolume: 117Series:Issue: 1Date: 2003-01-01Page Range: 76--81Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: