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By: Skerrett, Adrian - Betts, Michael - Bowler, John - Bullock, K. I. (Kenneth Ian), - Fisher, David - Lucking, Robert S - Phillips, JohnType: ArticleIn: Bulletin of the African Bird ClubVolume: 24Series:Issue: 1Date: 2017-03Page Range: 63--75Publication Info: Cambridge, African Bird Club, 1994-Subjects:
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By: Skerrett, Adrian - Betts, Michael - Bowler, John - Bullock, K. I. (Kenneth Ian), - Fisher, David - Lucking, Rob - Phillips, JohnType: ArticleIn: Bulletin of the African Bird ClubVolume: 18Series:Issue: 2Date: 2011-09Page Range: 182--192Publication Info: Cambridge, African Bird Club, 1994-Subjects:
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By: Burger, Alan E. - Betts, MichaelType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 121Series:Issue:Date: 2001Page Range: 236--246Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Betts, MichaelType: ArticleIn: Bulletin of the African Bird ClubVolume: 9Series:Issue: 1Date: 2002-03Page Range: 32--42Publication Info: Cambridge, African Bird Club, 1994-Subjects:
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By: Skerrett, Adrian - Betts, Michael - Bullock, K. I. (Kenneth Ian), - Fisher, David - Gerlach, Ron - Lucking, Rob - Phillips, John - Scott, BobType: ArticleIn: Bulletin of the African Bird ClubVolume: 13Series:Issue: 2Date: 2006-08Page Range: 170--177Publication Info: Cambridge, African Bird Club, 1994-Subjects: