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By: Newton, IType: ArticleIn: The Canadian field-naturalistVolume: 94Series:Issue: 4Date: 1980Page Range: 483--483Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Newton, IType: ArticleIn: Raptor researchVolume: 13Series:Issue: 4Date: 1979Page Range: 97--101Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects:
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By: Newton, IType: ArticleIn: Raptor researchVolume: 13Series:Issue: 3Date: 1979Page Range: 65--78Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects:
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By: Newton, I - Wyllie, IanType: ArticleIn: The journal of raptor researchVolume: 26Series:Issue: 3Date: 1992Page Range: 108--114Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Newton, IType: ArticleIn: The Canadian field-naturalistVolume: 90Series:Issue: 3Date: 1976Page Range: 225--227Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Newton, IType: ArticleIn: The journal of raptor researchVolume: 27Series:Issue: 1Date: 1993Page Range: 78--78Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Newton, I - Marquiss, MType: ArticleIn: Raptor researchVolume: 10Series:Issue: 3Date: 1976Page Range: 65--71Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects:
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By: Newton, IType: ArticleIn: The Canadian field-naturalistVolume: 90Series:Issue: 3Date: 1976Page Range: 274--300Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: