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By: Haymes, Gerard T - Blokpoel, Hans,Type: ArticleIn: The Canadian field-naturalistVolume: 92Series:Issue: 4Date: 1978Page Range: 392--395Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Haymes, Gerard T - Blokpoel, Hans,Type: ArticleIn: The Wilson bulletinVolume: 92Series:Issue: 2Date: 1980Page Range: 221--228Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Haymes, Gerard T - Sheehan, Ronald W.Type: ArticleIn: The Canadian field-naturalistVolume: 96Series:Issue: 2Date: 1982Page Range: 172--175Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: