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By: Collar, Nigel J - Abebe, Yilma Dellelegn - Fishpool, Lincoln D. C. - Gabremichael, Merid Nega - Spottiswoode, Claire N - Wondafrash, MengistuType: ArticleIn: Bulletin of the African Bird ClubVolume: 15Series:Issue: 2Date: 2008-09Page Range: 180--190Publication Info: Cambridge, African Bird Club, 1994-Subjects: