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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Burger, Joanna, - Trout, Richard - Wander, Wade - Ritter, Glen
    Type: Article
    In: The Wilson bulletin
    Volume: 95
    Issue: 3
    Date: 1983
    Page Range: 384--403
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-