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  1. By: Whittaker, Joseph C. - Feldhamer, George A. - Charles, Edward M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 112
    Issue: 3
    Date: 1998
    Page Range: 527--529
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Weikert, Clare C. - Whittaker, Joseph C. - Feldhamer, George A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 115
    Issue: 2
    Date: 2001
    Page Range: 247--250
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Whittaker, Joseph C. - List, Eric - Tester, John R. - Christian, Donald P
    Type: Article
    In: The Canadian field-naturalist
    Volume: 105
    Issue: 3
    Date: 1991
    Page Range: 403--405
    Publication Info: Ottawa Ottawa Field-Naturalists' Club