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  1. By: Hering, Jens - Hering, Heidi
    Type: Article
    In: Bulletin of the African Bird Club
    Volume: 12
    Issue: 2
    Date: 2005-08
    Page Range: 147--149
    Publication Info: Cambridge, African Bird Club, 1994-
  2. By: Hering, Jens - Hering, Heidi - Rayaleh, Houssein Abdillahi
    Type: Article
    In: Bulletin of the African Bird Club
    Volume: 22
    Issue: 1
    Date: 2015-03
    Page Range: 78--82
    Publication Info: Cambridge, African Bird Club, 1994-
  3. By: Hering, Jens - Hering, Heidi
    Type: Article
    In: Bulletin of the African Bird Club
    Volume: 12
    Issue: 1
    Date: 2005-03
    Page Range: 55--55
    Publication Info: Cambridge, African Bird Club, 1994-