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  1. By: Black, David W. - Reading, Joanna E. - Savage, Howard G.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 112
    Issue: 1
    Date: 1998
    Page Range: 45--49
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Savage, Howard G. - Cooper, Janet C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 96
    Issue: 3
    Date: 1982
    Page Range: 342--344
    Publication Info: Ottawa Ottawa Field-Naturalists' Club