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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Valutis, Laura L. - Marzluff, J M
    Type: Article
    In: The journal of raptor research
    Volume: 31
    Issue: 3
    Date: 1997
    Page Range: 288--289
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-