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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Jensen, Arne E - Fisher, Timothy H - Hutchinson, Robert O
    Type: Article
    In: Forktail
    Volume: 31
    Date: 2015
    Page Range: 24--36
    Publication Info: Oxford,
  2. By: Bezuijen, Mark R - Eaton, James A. (Conservationist) - Hutchinson, Robert O - Rheindt, Frank E
    Type: Article
    In: Forktail
    Volume: 26
    Date: 2010
    Page Range: 49--74
    Publication Info: Oxford,