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By: Whiklo, Todd M. - Duncan, James R.Type: ArticleIn: The Canadian field-naturalistVolume: 128Series:Issue: 1Date: 2014-03-26Page Range: 38--43Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Duncan, James R.Type: ArticleIn: The journal of raptor researchVolume: 31Series:Issue: 2Date: 1997Page Range: 160--166Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Duncan, James R. - Lane, Patricia AType: ArticleIn: The journal of raptor researchVolume: 22Series:Issue: 3Date: 1988Page Range: 93--93Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Duncan, James R.Type: ArticleIn: The journal of raptor researchVolume: 25Series:Issue: 4Date: 1991Page Range: 146--146Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Wright, Jonathan D. - Galloway, Terry G - Duncan, James R. - Cook, Francis R.Type: ArticleIn: The Canadian field-naturalistVolume: 130Series:Issue: 4Date: 2017-03-29Page Range: 355--358Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: