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  1. By: Arnold, Todd W - Higgins, Kenneth F
    Type: Article
    In: The Canadian field-naturalist
    Volume: 100
    Issue: 1
    Date: 1986
    Page Range: 10--14
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Arnold, Todd W
    Type: Article
    In: The Wilson bulletin
    Volume: 105
    Issue: 3
    Date: 1993
    Page Range: 448--454
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Arnold, Todd W - Martin, Pamela A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 106
    Issue: 3
    Date: 1992
    Page Range: 336--341
    Publication Info: Ottawa Ottawa Field-Naturalists' Club