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  1. By: Ely, Craig R - Douglas, David C. - Fowler, Ada C - Babcock, Christopher A - Derksen, Dirk V - Takekawa, John Yutaka,
    Type: Article
    In: The Wilson bulletin
    Volume: 109
    Issue: 4
    Date: 1997
    Page Range: 679--692
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-