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By: Friesen, Lyle E - Wyatt, Valerie E - Cadman, Michael D - Mackay, R Jock - Cheskey, Edward D - Allen, Martha L - Ramsay, DeborahType: ArticleIn: The Wilson bulletinVolume: 112Series:Issue: 4Date: 2000Page Range: 505--509Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Cadman, Michael DType: ArticleIn: The Canadian field-naturalistVolume: 105Series:Issue: 1Date: 1991Page Range: 138--138Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: