Attributes / relations provided by
♦ ¹del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ ²Observations on the behaviour and ecology of a threatened and poorly known dwarf antelope: the beira (Dorcatragus megalotis), Nina Giotto & Alain Laurent & Nabil Mohamed & Nicolas Prevot & Jean-François Gerard, Eur J Wildl Res (2008) 54:539–547