dcsimg
BHL has entered a new chapter. Learn more.
Sort By:
  1. By: Hayes, Robert D. - Baer, A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 106
    Issue: 3
    Date: 1992
    Page Range: 381--382
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Hayes, Robert D. - Mossop, David H
    Type: Article
    In: The Canadian field-naturalist
    Volume: 101
    Issue: 4
    Date: 1997
    Page Range: 603--604
    Publication Info: Ottawa Ottawa Field-Naturalists' Club