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By: Speirs, J Murray - North, George W - Crosby, John AType: ArticleIn: The Wilson bulletinVolume: 56Series:Issue: 4Date: 1944Page Range: 206--208Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: North, George WType: ArticleIn: The Canadian field-naturalistVolume: 47Series:Issue: 3Date: 1933-03Page Range: 59--59Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: