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By: Bird, Ralph Durham, - Canada. Department of Agriculture. Research Station (Winnipeg, Man.)Edition:Publication info: [Ottawa], Research Branch, Canada Dept. of Agriculture, 1961]Volume:Series:Holding Institution: Agriculture and Agri-Food Canada (AAFC)Subjects:BHL Collections:
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By: Bird, Ralph Durham,Type: ArticleIn: The Canadian field-naturalistVolume: 70Series:Issue: 4Date: 1956Page Range: 182--183Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Smith, Lawrie B. - Bird, Ralph Durham,Type: ArticleIn: The Canadian field-naturalistVolume: 83Series:Issue: 1Date: 1969Page Range: 40--47Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Bird, Ralph Durham, - Smith, Lawrie B.Type: ArticleIn: The Canadian field-naturalistVolume: 78Series:Issue: 3Date: 1964Page Range: 179--186Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Bird, Ralph Durham,Type: ArticleIn: The Canadian field-naturalistVolume: 43Series:Issue: 4Date: 1929-04Page Range: 79--83Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Bird, Ralph Durham,Type: ArticleIn: The Canadian field-naturalistVolume: 43Series:Issue: 9Date: 1929-12Page Range: 206--207Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Bird, Ralph Durham,Type: ArticleIn: The Canadian field-naturalistVolume: 69Series:Issue: 1Date: 1955Page Range: 11--11Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Bird, Lois Gould - Bird, Ralph Durham,Type: ArticleIn: The Wilson bulletinVolume: 43Series:Issue: 4Date: 1931Page Range: 293--305Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: