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  1. By: Bayne, Erin M. - Hobson, Keith A
    Type: Article
    In: The Wilson bulletin
    Volume: 114
    Issue: 3
    Date: 2002
    Page Range: 358--367
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Cumming, Enid E. - Hobson, Keith A - Van Wilgenburg, Steven L.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 115
    Issue: 3
    Date: 2001
    Page Range: 425--435
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Dion, Nancy - Hobson, Keith A - Larivière, Serge
    Type: Article
    In: The Canadian field-naturalist
    Volume: 117
    Issue: 3
    Date: 2003-07-01
    Page Range: 347--351
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Hobson, Keith A - Bayne, Erin M.
    Type: Article
    In: The Wilson bulletin
    Volume: 112
    Issue: 3
    Date: 2000
    Page Range: 373--387
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-