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By: Ryan, Peter G - Graham, John - Sutherland, Andrew CType: ArticleIn: Bulletin of the African Bird ClubVolume: 13Series:Issue: 2Date: 2006-08Page Range: 197--204Publication Info: Cambridge, African Bird Club, 1994-Subjects:
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By: Ryan, Peter G - Spottiswoode, Claire N - Parker, Vincent - Graham, John - Cohen, Callan - Bento, CarlosType: ArticleIn: Bulletin of the African Bird ClubVolume: 6Series:Issue: 2Date: 1999-09Page Range: 138--143Publication Info: Cambridge, African Bird Club, 1994-Subjects: