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  1. By: Bildstein, Keith L. (Keith Louis), - Bancroft, G. Thomas - Dugan, Patrick J - Gordon, David H - Erwin, R. Michael - Nol, Erica - Payne, Laura X - Senner, Stanley E
    Type: Article
    In: The Wilson bulletin
    Volume: 103
    Issue: 2
    Date: 1991
    Page Range: 218--254
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-