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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Murza, G L - Bortolotti, Gary R. (Gary Roy), - Dawson, Russell D.
    Type: Article
    In: The journal of raptor research
    Volume: 34
    Issue: 2
    Date: 2000
    Page Range: 137--142
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-