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  1. By: Whittingham, Linda A - Kirkconnell, Arturo - Ratcliffe, Laurene M
    Type: Article
    In: The Wilson bulletin
    Volume: 109
    Issue: 2
    Date: 1997
    Page Range: 279--289
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Kasumovic, Michael M - Ratcliffe, Laurene M - Boag, Peter T. (Peter Thomas),
    Type: Article
    In: The Wilson bulletin
    Volume: 115
    Issue: 3
    Date: 2003
    Page Range: 241--245
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Foote, Jennifer R. - Fitzsimmons, Lauren P. - Lobert, Lynnea M. - Ratcliffe, Laurene M - Mennill, Daniel J
    Type: Article
    In: The Canadian field-naturalist
    Volume: 131
    Issue: 1
    Date: 2017-07-14
    Page Range: 10--18
    Publication Info: Ottawa Ottawa Field-Naturalists' Club