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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Aldrich, John W. (John Warren), - Baer, Kenard P
    Type: Article
    In: The Wilson bulletin
    Volume: 82
    Issue: 1
    Date: 1970
    Page Range: 63--73
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-