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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Braun, Clait E. - Harmon, Keith W - Jackson, Jerome A - Littlefield, Carroll D
    Type: Article
    In: The Wilson bulletin
    Volume: 90
    Issue: 2
    Date: 1978
    Page Range: 309--321
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-