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SEPG 20_20 - Date Awarded 2005
Habitat associations of papyrus specialist birds at three papyrus swamps in western Kenya
Alfred O. Owino
Abstract
Birds of papyrus swamps have not been adequately studied in Kenya, and little is known about their ecology and habitat associations. Using fixed-radius point counts and playbacks, I counted papyrus specialist birds and evaluated papyrus physical characteristics and levels of disturbance at a series of sample stations at three papyrus swamps of Dunga, Koguta and Kusa in the Kenyan sector of Lake Victoria. Papyrus height and density were significantly correlated across all sites but negatively correlated with levels of disturbance. Standardized point counts of swamp birds showed Papyrus Gonolek Laniarius mufumbiri and Carruthers’s Cisticola Cisticola carruthersi as the most abundant papyrus specialists across sites. Only Carruthers’s Cisticola numbers differed between sites. Overall, papyrus cover was the best predictor of presence and abundance of all papyrus specialist birds, and significantly predicted the numbers of Papyrus Gonolek and White-winged Warbler Bradypterus carpalis.
Keywords: disturbance, Dunga, Koguta, Kusa, papyrus, birds
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