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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Westemeier, Ronald L - Buhnerkempe, John E - Brawn, Jeffrey D
    Type: Article
    In: The Wilson bulletin
    Volume: 110
    Issue: 2
    Date: 1998
    Page Range: 190--197
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-