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  1. By: Cotter, Richard C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 129
    Issue: 3
    Date: 2015-10-21
    Page Range: 229--236
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Rail, Jean-François - Cotter, Richard C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 129
    Issue: 2
    Date: 2015-08-04
    Page Range: 152--158
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Rail, Jean-François - Cotter, Richard C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 121
    Issue: 3
    Date: 2007-07-01
    Page Range: 287--294
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Cotter, Richard C. - Rail, Jean-François
    Type: Article
    In: The Canadian field-naturalist
    Volume: 121
    Issue: 3
    Date: 2007-07-01
    Page Range: 274--286
    Publication Info: Ottawa Ottawa Field-Naturalists' Club