(en) Timothy M. Crowe, Rauri C. K. Bowie, Paulette Bloomer, Tshifhiwa G. Mandiwana, Terry A. J. Hedderson, Ettore Randi, Sergio L. Pereira et Julia Wakeling, « Phylogenetics, biogeography and classification of, and character evolution in, gamebirds (Aves: Galliformes): effects of character exclusion, data partitioning and missing data », Cladistics, vol. 22, no 6, , p. 495-532 (DOI10.1111/j.1096-0031.2006.00120.x)
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(en) David Moyer, « Birding the Western Udzungwa », dans Philip Briggs, Tanzania, 6th: with Zanzibar, Pemba & Mafia, Bradt Travel Guides, , 656 p. (lire en ligne), p. 98