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♦ 1Kattge, J. et al. (2011b)
TRY - a global database of plant traits Global Change Biology 17:2905-2935
♦ 2Co-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
♦ 3The Diet of the Hippopotamus in Ndumu Game Reserve, Natal, as Determined by Faecal Analysis, J.S.B.
Scotcher, D.R.M. Stewart, C.M. Breen, S.-Afr. Tydskr. Natuurnavors. 8:1-11 (1978)
♦ 4Ward, P. (1965), "THE BREEDING BIOLOGY OF THE BLACK-FACED DIOCH QUELEA QUELEA IN NIGERIA". Ibis, 107: 326–349