Plotz, R.D.; Linklater, W.L. 2010. Red-billed oxpeckers really do increase predator awareness in black rhinoceros. Proceedings of the International Behavioral Ecology Congress (ISBE), Perth Convention Exhibition Centre, Western Australia, 1st October. p. 133.
Red-billed oxpeckers really do increase predator awareness in black rhinoceros
Ghika, N.D. 1897. Cinq mois au pays des Somalis, suivie de la faune somalie et d’une liste des plantes decrites par G. Schweinfurth et G. Volkens. Bale et Geneve, Georg et Co. pp. i-vi, 1-223.
Valenwood, A. 2025. A case study of black rhino conservation techniques in the Ngorongoro Conservation Area. Journal of Biodiversity, Bioprospecting and Development 10:05: 1-2.