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By: Hunt, W Grainger - Jackman, Ronald E - Jenkins, J M - Thelander, Carl G. - Lehman, R NType: ArticleIn: The journal of raptor researchVolume: 26Series:Issue: 1Date: 1992Page Range: 19--23Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Lehman, R N - Steenhof, K - Carpenter, Leslie B. (Leslie Benjamin) - Kochert, Michael N. (Michael Nicholas)Type: ArticleIn: The journal of raptor researchVolume: 34Series:Issue: 4Date: 2000Page Range: 262--269Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: