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By: Cocker, MarkType: ArticleIn: Bulletin of the African Bird ClubVolume: 7Series:Issue: 1Date: 2000-03Page Range: 60--65Publication Info: Cambridge, African Bird Club, 1994-Subjects:
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By: Cocker, Mark - Mikkola, HeimoType: ArticleIn: Bulletin of the African Bird ClubVolume: 8Series:Issue: 1Date: 2001-03Page Range: 30--35Publication Info: Cambridge, African Bird Club, 1994-Subjects:
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By: Cocker, MarkType: ArticleIn: Bulletin of the African Bird ClubVolume: 12Series:Issue: 1Date: 2005-03Page Range: 56--62Publication Info: Cambridge, African Bird Club, 1994-Subjects: