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  1. By: Fener, Heather M. - Ginsberg, Joshua R. - Sanderson, Eric W. - Gompper, Matthew E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 119
    Issue: 1
    Date: 2005-01-01
    Page Range: 1--5
    Publication Info: Ottawa Ottawa Field-Naturalists' Club