-
By: Cameron, Raymond D. - Whitten, Kenneth R. - Smith, Walter T. - Roby, Daniel DType: ArticleIn: The Canadian field-naturalistVolume: 93Series:Issue: 2Date: 1979Page Range: 155--162Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Roby, Daniel D - Brink, Karen L. - Wittmann, KarinType: ArticleIn: The Wilson bulletinVolume: 104Series:Issue: 4Date: 1992Page Range: 630--643Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Asch, Andreas - Roby, Daniel DType: ArticleIn: The Wilson bulletinVolume: 107Series:Issue: 2Date: 1995Page Range: 306--316Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: