dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Densmore, R - Zasada, John C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 91
    Issue: 1
    Date: 1977
    Page Range: 58--62
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Gard, Nicholas William - Bird, David M. (David Michael), - Densmore, R - Hamel, M
    Type: Article
    In: The journal of raptor research
    Volume: 23
    Issue: 3
    Date: 1989
    Page Range: 99--102
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  3. By: Zasada, John C. - Densmore, R
    Type: Article
    In: The Canadian field-naturalist
    Volume: 93
    Issue: 1
    Date: 1979
    Page Range: 77--79
    Publication Info: Ottawa Ottawa Field-Naturalists' Club