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By: Ottosson, Ulf - Bengtsson, Daniel - Gustafsson, Rolf - Hall, Philip - Hjort, Christian - Leventis, A P - Neumann, Roland - Pettersson, Jan - Rhönnstad, Patrik - Rumsey, Stephen - Waldenström, Jonas - Velmala, WilliamType: ArticleIn: Bulletin of the African Bird ClubVolume: 9Series:Issue: 1Date: 2002-03Page Range: 52--55Publication Info: Cambridge, African Bird Club, 1994-Subjects: