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  1. By: Sodhi, Navjot S. - Warkentin, Ian George, - Oliphant, L W
    Type: Article
    In: The journal of raptor research
    Volume: 25
    Issue: 4
    Date: 1991
    Page Range: 127--131
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  2. By: Warkentin, Ian George,
    Type: Article
    In: Raptor research
    Volume: 19
    Issue: 2-3
    Date: 1985
    Page Range: 104--105
    Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]
  3. By: Warkentin, Ian George,
    Type: Article
    In: The journal of raptor research
    Volume: 27
    Issue: 1
    Date: 1993
    Page Range: 46--47
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  4. By: Warkentin, Ian George, - Morton, Eugene S
    Type: Article
    In: The Wilson bulletin
    Volume: 112
    Issue: 1
    Date: 2000
    Page Range: 88--98
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  5. By: Warkentin, Ian George, - Reed, J Michael
    Type: Article
    In: The Great Basin naturalist
    Volume: 59
    Issue: 3
    Date: 1999
    Page Range: 205--212
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  6. By: Warkentin, Ian George, - Reed, J Michael - Dunham, Susie M.
    Type: Article
    In: The Wilson bulletin
    Volume: 115
    Issue: 1
    Date: 2003
    Page Range: 16--23
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  7. By: Warkentin, Ian George, - Campbell, Christine E. - Powell, Kristin G. - Leonard, Tina D.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 117
    Issue: 3
    Date: 2003-07-01
    Page Range: 477--478
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  8. By: Warkentin, Ian George, - James, Paul C
    Type: Article
    In: The journal of raptor research
    Volume: 24
    Issue: 1-2
    Date: 1990
    Page Range: 5--11
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  9. By: Warkentin, Ian George, - Oliphant, L W
    Type: Article
    In: Raptor research
    Volume: 19
    Issue: 2-3
    Date: 1985
    Page Range: 100--101
    Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]