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  1. By: Davis, S K - Duncan, David C. - Skeel, M
    Type: Article
    In: The Wilson bulletin
    Volume: 111
    Issue: 3
    Date: 1999
    Page Range: 389--396
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Duncan, David C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 97
    Issue: 2
    Date: 1983
    Page Range: 216--217
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Duncan, David C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 100
    Issue: 1
    Date: 1986
    Page Range: 110--113
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Goossen, J. Paul - Ealey, D. M. - Judge, Harry - Duncan, David C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 109
    Issue: 4
    Date: 1995
    Page Range: 391--402
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  5. By: Harris, Wayne C - Duncan, David C. - Franken, Renee J - Mckinnon, Donald T - Dundas, Heather A
    Type: Article
    In: The Wilson bulletin
    Volume: 117
    Issue: 2
    Date: 2005
    Page Range: 165--171
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-