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By: Buchanan, Joseph B. - Schick, Charles T. - Brennan, Leonard A. (Leonard Alfred), - Herman, S GType: ArticleIn: The journal of raptor researchVolume: 25Series:Issue: 2Date: 1991Page Range: 43--44Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Buchanan, Joseph B. - Herman, S G - Johnson, Tod MType: ArticleIn: Raptor researchVolume: 20Series:Issue: 3-4Date: 1986Page Range: 130--131Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects: