Choeropsis liberiensis


Bibliography [top]

Alonso, L. E., Lauginie, F. and Rondeau, G. 2005. A rapid biological assessment of two classified forests in South-Western Cote d'Ivoire. RAP Bulletin of Biological Assessment. Conservation International, Washington, DC.

Astey, S. 1991. Large Mammal Distribution in Liberia. Unpublished report to WWF International. Gland, Switzerland.

Baillie, J. and Groombridge, B. (comps and eds). 1996. 1996 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

Boisserie, J-R. 2005. The phylogeny and taxonomy of Hippopotamidae (Mammalia: Artiodactyla): a review based on morphology and cladistic analysis. Zoological Journal of the Linnean Society 143: 1-26.

Boisserie, J.-R. and Kingdon, J. In press. Genus Choeropsis. In: J. S. Kingdon and M. Hoffmann (eds), The Mammals of Africa, Academic Press, Amsterdam, The Netherlands.

Conservation International. 2004. Rapid Assessment Program. Preliminary Results – Ivory Coast.

Corbet, G. B. 1969. The taxonomic status of the Pygmy Hippopotamus, Choeropsis liberiensis, from the Niger Delta.

Dufour, S. 2003. Premier Recensement des Activités Cynégétiques en Forêt Classée de Diécké (Guinée). Ministère de l’Agriculture et de l’Élevage - Direction Nationale des Eaux et Forêts.

Eltringham, S. K. 1993. The Pygmy Hippopotamus (Hexaprotodon liberiensis). IUCN, Gland, Switzerland.

Groombridge, B. (ed.). 1994. 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

Heslop, I. R. P. 1945. The pygmy hippopotamus in Nigeria. Field (Nigeria) 185: 629-630.

Hlavacek, G., Zschokke, S. and Pagan, O. 2005. International Studbook for the Pygmy Hippopotamus Hexaprotodon liberiensis (Morton, 1844). Basle Zoo, Switzerland.

IUCN. 1990. IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN. 2008. 2008 IUCN Red List of Threatened Species. Available at: (Accessed: 5 October 2008).

IUCN Conservation Monitoring Centre. 1986. 1986 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN Conservation Monitoring Centre. 1988. 1988 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

Mace, G. M. and Balmford, A. 2000. Patterns and processes in contemporary mammalian extinction. In: A. Entwhistle and N. Dunstone (eds), Priorities for the Conservation of Mammalian Biodiversity, pp. 27-52. Cambridge University Press, Cambridge, UK.

Oliver, W. L. R. 1993. Pigs, Peccaries, and Hippos. IUCN SSC Pigs and Peccaries Specialist Group and Hippos Specialist Group. IUCN – The World Conservation Union, Gland, Switzerland.

Pigs, Peccaries and Hippos Specialist Group. 2004. Specialist Group website. Available at:

Ritchie, J. 1930. Distribution of the pygmy hippopotamus. Nature 126: 204-205.

Robinson, P. T. 1970. The status of the pygmy hippopotamus and other wildlife in West Africa. M.S. Thesis, Michigan State University.

Robinson, P. T. 1971. Wildlife trends in Liberia and Sierra Leone. Oryx 11(2-3): 117-122.

Robinson, P. T. and Suter, J. 1999. Survey and Preparation of a Preliminary Conservation Plan for the Cestos-Senkwehn Riversheds of Southeastern Liberia. Report on the World Bank. World Wildlife Fund Global Forest Alliance. Report.

Scott, P. 1965. Section XIII. Preliminary List of Rare Mammals and Birds. The Launching of a New Ark. First Report of the President and Trustees of the World Wildlife Fund. An International Foundation for saving the world's wildlife and wild places 1961-1964, pp. 15-207. Collins, London, UK.

Thompson, S. D. and Wirz-Hlavacek, G. 1996. Pygmy Hippopotamus (Hexaprotodon liberiensis). Annual Report on Conservation & Science. American Zoo andAquarium Association, Wheeling, West Virginia, USA.

Tobler, K. 1991. International Studbook for the Pygmy Hippopotamus Choeropsis liberiensis (Morton 1844). Zoologischer Garten, Basel.

White, L. 1986. Population survey of the pygmy hippopotamus (Choeropsis liberiensis) on Tiwai Island, Sierra Leone. Sierra Leone Expedition 1986. University College London, London, UK.

Citation: Lewison, R. & Oliver, W. (IUCN SSC Hippo Specialist Subgroup) 2008. Choeropsis liberiensis. The IUCN Red List of Threatened Species. Version 2014.3. <>. Downloaded on 28 May 2015.
Disclaimer: To make use of this information, please check the <Terms of Use>.
Feedback: If you see any errors or have any questions or suggestions on what is shown on this page, please provide us with feedback so that we can correct or extend the information provided