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  1. By: Leary, Alan W - Mazaika, Rosemary - Bechard, Marc J
    Type: Article
    In: The Wilson bulletin
    Volume: 110
    Issue: 2
    Date: 1998
    Page Range: 198--205
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Etchberger, Richard C. - Mazaika, Rosemary - Bowyer, R. Terry
    Type: Article
    In: The Canadian field-naturalist
    Volume: 102
    Issue: 4
    Date: 1988
    Page Range: 671--674
    Publication Info: Ottawa Ottawa Field-Naturalists' Club