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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Caton, Elaine L. - McClelland, B. Riley - Patterson, David A - Yates, Richard E
    Type: Article
    In: The Wilson bulletin
    Volume: 104
    Issue: 1
    Date: 1992
    Page Range: 136--142
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-