Has been separated in genus Oreocolinus. Thought to be closest to P. nobilis, P. castaneicollis, P. erckelii and P. ochropectus; has been considered close also to P. camerunensis. Birds of Mt Kenya have been ascribed to race pollenorum, generally much darker below (white edging on underpart feathers clearly narrower) than others of the species; possibly worthy of recognition. Population of Mau escarpment and lower Aberdares described as race gurae and that of Cherangani Hills as patriciae, but neither of these regarded as in any way distinct. Treated as monotypic.
Mountains of WC Kenya (Mt Elgon, Cherangani Hills, Mau Plateau, Aberdares and Mt Kenya); one record from Ugandan side of Mt Elgon.
Food and feeding
Status and conservation
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