Attributes / relations provided by
♦ ¹Forage selection by African buffalo in the late dry season in two landscapes, Valerio A. Macandza, Norman Owen-Smith & Paul C. Cross, South African Journal of Wildlife Research 34(2): 113–121 (October 2004)
♦ ²del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.