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  1. By: Bloom, Peter H. - Henckel, J L - Henckel, E H - Schmutz, Josef K. (Josef Konrad), - Woodbridge, Brian - Bryan, James R. - Anderson, Richard L - Detrich, P J - Maechtle, T L - Mckinley, J O - Mccrary, M D - Titus, Kimberly - Schempf, Philip F.
    Type: Article
    In: The journal of raptor research
    Volume: 26
    Issue: 3
    Date: 1992
    Page Range: 167--178
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-