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  1. By: Lanyon, Scott M - Stotz, Douglas F. (Douglas Forrester), - Willard, David E.
    Type: Article
    In: The Wilson bulletin
    Volume: 102
    Issue: 4
    Date: 1990
    Page Range: 571--580
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Lanyon, Scott M - Thompson, Charles F
    Type: Article
    In: The Wilson bulletin
    Volume: 96
    Issue: 3
    Date: 1984
    Page Range: 396--407
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-