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By: Nenneman, Melvin P. - Grant, Todd A. - Sopndreal, Marriah L. - Murphy, R KType: ArticleIn: The journal of raptor researchVolume: 37Series:Issue: 3Date: 2003Page Range: 246--252Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Sopndreal, Marriah L.Type: ArticleIn: The Canadian field-naturalistVolume: 112Series:Issue: 2Date: 1998Page Range: 339--340Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: