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By: Jenkins, A R - Avery, Graham M.Type: ArticleIn: The journal of raptor researchVolume: 33Series:Issue: 3Date: 1999Page Range: 190--206Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Jenkins, A R - Benn, Grant A.Type: ArticleIn: The journal of raptor researchVolume: 32Series:Issue: 2Date: 1998Page Range: 90--97Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Jenkins, A R - Van Zyl, Anthony J.Type: ArticleIn: The journal of raptor researchVolume: 28Series:Issue: 2Date: 1994Page Range: 118--119Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: