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  1. By: Morgan, J H - Pearce, P A
    Type: Article
    In: The Canadian field-naturalist
    Volume: 83
    Issue: 4
    Date: 1969
    Page Range: 394--395
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Brown, R. G. B. (Richard George Bolney), - Gillespie, Douglas L. - Lock, Anthony R. - Pearce, P A - Watson, G. H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 87
    Issue: 3
    Date: 1973
    Page Range: 225--234
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Woodley, Steven J. - Meyer, K D - Kirk, David Anthony - Pearce, P A
    Type: Article
    In: The journal of raptor research
    Volume: 38
    Issue: 1
    Date: 2004
    Page Range: 69--77
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  4. By: Pearce, P A - Baird, John C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 85
    Issue: 1
    Date: 1971
    Page Range: 82--82
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  5. By: Fimreite, N. - Holsworth, W N - Keith, J. A. - Pearce, P A - Gruchy, Charles G
    Type: Article
    In: The Canadian field-naturalist
    Volume: 85
    Issue: 3
    Date: 1971
    Page Range: 211--220
    Publication Info: Ottawa Ottawa Field-Naturalists' Club