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♦ ¹Co-existence and niche segregation of three small bovid species in southern Mozambique, Herbert H.T. Prins, Willem F. de Boer, Herman van Oeveren, Augusto Correia, Jorge Mafuca and Han Olff, 2006 East African Wild Life Society, Afr. J. Ecol., 44, 186–198
♦ ²"Fig-eating by vertebrate frugivores: a global review", MIKE SHANAHAN, SAMSON SO, STEPHEN G. COMPTON and RICHARD CORLETT, Biol. Rev. (2001), 76, pp. 529–572