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By: Davis, Rolph AType: ArticleIn: The Canadian field-naturalistVolume: 81Series:Issue: 3Date: 1967Page Range: 229--230Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Davis, Rolph A - Jones, Rene NType: ArticleIn: The Canadian field-naturalistVolume: 85Series:Issue: 2Date: 1971Page Range: 191--192Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Davis, Rolph A - Jones, Rene N - Macinnes, Charles D - Pakulak, Allan JType: ArticleIn: The Wilson bulletinVolume: 97Series:Issue: 3Date: 1985Page Range: 296--305Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Finley, Kerwin J. - Hickie, J. P. - Davis, Rolph AType: ArticleIn: The Canadian field-naturalistVolume: 101Series:Issue: 2Date: 1997Page Range: 271--278Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: