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  1. By: Cott, Peter A. - Zajdlik, Barry A. - Bourassa, Kelly J. - Lange, Marc - Gordon, Andrew M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 124
    Issue: 2
    Date: 2010-04-01
    Page Range: 104--112
    Publication Info: Ottawa Ottawa Field-Naturalists' Club