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  1. By: Bird, David M. - Ritchie, Ian - Weaver, James D. - Bowman, Reed
    Type: Article
    In: The Canadian field-naturalist
    Volume: 104
    Issue: 2
    Date: 1990
    Page Range: 219--221
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Cade, Tom J. - Weaver, James D. - Platt, J B - Burnham, William A.,
    Type: Article
    In: Raptor research
    Volume: 11
    Issue: 1-2
    Date: 1977
    Page Range: 28--48
    Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]
  3. By: Berger, Daniel D. - Anderson, Daniel W. - Weaver, James D. - Risebrough, Robert W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 84
    Issue: 3
    Date: 1970
    Page Range: 265--267
    Publication Info: Ottawa Ottawa Field-Naturalists' Club