dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Fast, Marie - Clark, Robert G. - Brook, Rodney W. - Fast, Peter L. F. - Devink, Jean-Michel - Leach, Steve W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 122
    Issue: 1
    Date: 2008-01-01
    Page Range: 21--28
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Bird, David M. (David Michael), - Clark, Robert G.
    Type: Article
    In: Raptor research
    Volume: 17
    Issue: 3
    Date: 1983
    Page Range: 77--84
    Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]
  3. By: Weatherhead, Patrick J - Clark, Robert G. - Bider, J. Roger - Titman, Rodger D
    Type: Article
    In: The Canadian field-naturalist
    Volume: 94
    Issue: 1
    Date: 1980
    Page Range: 75--79
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Dzus, E H - Clark, Robert G.
    Type: Article
    In: The Wilson bulletin
    Volume: 109
    Issue: 3
    Date: 1997
    Page Range: 504--515
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-