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By: Rodway, Michael S - Regehr, Heidi M - Chardine, John W.Type: ArticleIn: The Canadian field-naturalistVolume: 117Series:Issue: 1Date: 2003-01-01Page Range: 70--75Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Regehr, Heidi MType: ArticleIn: The Wilson bulletinVolume: 115Series:Issue: 4Date: 2003Page Range: 423--430Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: