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By: Hooper, Robert GType: ArticleIn: The Wilson bulletinVolume: 89Series:Issue: 2Date: 1977Page Range: 233--242Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Keats, Derek W - Hooper, Robert G - Steele, Donald H. - South, G RType: ArticleIn: The Canadian field-naturalistVolume: 101Series:Issue: 3Date: 1997Page Range: 463--465Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Sargent, Philip S. - Methven, David A. - Hooper, Robert G - McKenzie, CynthiaType: ArticleIn: The Canadian field-naturalistVolume: 122Series:Issue: 4Date: 2008-10-01Page Range: 338--344Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: