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By: Baydack, Richard K.Type: ArticleIn: The Canadian field-naturalistVolume: 102Series:Issue: 1Date: 1988Page Range: 39--44Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Berger, Robert P. - Baydack, Richard K.Type: ArticleIn: The Canadian field-naturalistVolume: 106Series:Issue: 2Date: 1992Page Range: 185--191Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Uhmann, Tanys V. - Kenkel, Norm C - Baydack, Richard K.Type: ArticleIn: The journal of raptor researchVolume: 35Series:Issue: 4Date: 2001Page Range: 378--384Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: