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By: Forrester, D J - Telford, Sam R. - Foster, Garry W. - Bennett, Gordon F.Type: ArticleIn: The journal of raptor researchVolume: 28Series:Issue: 4Date: 1994Page Range: 226--231Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Foster, Garry W. - Morrison, J L - Hartless, C S - Forrester, D JType: ArticleIn: The journal of raptor researchVolume: 32Series:Issue: 2Date: 1998Page Range: 159--162Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Kinsella, John Michael, - Foster, Garry W. - Forrester, D JType: ArticleIn: The journal of raptor researchVolume: 29Series:Issue: 2Date: 1995Page Range: 117--122Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: