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Giant forest hog

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Giant forest hog

Giant forest hog
Giant forest hog
A group of giant forest hogs
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Family: Suidae
Subfamily: Suinae
Genus: Hylochoerus
Thomas, 1904
Species: H. meinertzhageni
Binomial name
Hylochoerus meinertzhageni
Thomas, 1904
  H. m. ivoriensis
  H. m. rimator
  H. m. meinertzhageni

The giant forest hog (Hylochoerus meinertzhageni – the only member of its genus) is native to wooded habitats in Africa and generally is considered the largest wild member of the Suidae pig family; a few subspecies of the wild boar can reach an even larger size.[2] Despite its large size and relatively wide distribution, it was first described only in 1904. The specific name honours Richard Meinertzhagen, who shot the type specimen in Kenya and had it shipped to the Natural History Museum in England.[3]


Males reach up 2.1 m (6.9 ft) in length and 1.1 m (3.6 ft) in height, and may weigh as much as 275 kg (606 lb).[4][5] Females are smaller than males, and the eastern nominate subspecies is larger than H. m. rimator of Central Africa and H. m. ivoriensis of West Africa.[4] The giant forest hog has extensive hairs on its body, though these tend to become less pronounced as the animal ages. It is mostly black in colour on the surface, though hairs nearest the skin of the animal are a deep orange colour. Its ears are large and pointy, and the tusks are proportionally smaller than those of the warthogs, but bigger than those of the bushpig. Nevertheless, the tusks of a male may reach a length of 35 centimetres (14 in).[6]


The skull of a male giant forest hog

Giant forest hogs occur in west and central Africa, where they are largely restricted to the Guinean and Congolian forests. They also occur more locally in humid highlands of the Rwenzori Mountains and as far east as Mount Kenya and the Ethiopian Highlands. They are mainly found in forest-grassland mosaics, but can also be seen in wooded savanna and subalpine habitats at altitudes up to 3,800 m (12,500 ft).[5] They are unable to cope with low humidity or prolonged exposure to the sun, resulting in them being absent from arid regions and habitats devoid of dense cover.[5]


The giant forest hog is mainly a herbivore, but also scavenges.[7] It is usually considered nocturnal, but in cold periods, it is more commonly seen during daylight hours, and it may be diurnal in regions where protected from humans.[4] They live in herds (sounders) of up to 20 animals consisting of females and their offspring, but usually also including a single old male.[4] Females leave the sounder before giving birth and return with the piglets about a week after parturition. All members of the sounder protect the piglets and they can nurse from all females.[6]

As all suids of Sub-Saharan Africa, the giant forest hog has not been domesticated, but it is easily tamed and has been considered to have potential for domestication.[4] In the wild, though, the giant forest hog is more feared than the red river hog and the bush pig (the two members of the genus Potamochoerus), as males sometimes attack without warning, possibly to protect their sounder.[4] It has also been known to drive spotted hyenas away from carcasses and fights among males resulting in the death of one of the participants are not uncommon.[6]


  1. ^ d'Huart, J.P. & Klingel, H. (2008). Hylochoerus meinertzhageni. In: IUCN 2008. IUCN Red List of Threatened Species. Retrieved 5 April 2009. Database entry includes a brief justification of why this species is of least concern.
  2. ^ Meijaard, E., J.P. d'Huart, and W.L.R. Oliver (2011). Suidae (Pigs), pp. 248–291 in: Wilson, D.E., and R.A. Mittermeier, eds (2011). Handbook of the Mammals of the World, vol. 2. Hoofed Mammals. Lynx Edicions, Barcelona. ISBN 978-84-96553-77-4
  3. ^ Garfield, B. (2007). The Meinertzhagen Mystery: The Life and Legend of a Colossal Fraud. Potomac Books, Washington. Pp. 60. ISBN 1-59797-041-7
  4. ^ a b c d e f Novak, R. M. (editor) (1999). Walker's Mammals of the World. Vol. 2. 6th edition. Johns Hopkins University Press, Baltimore. pp. 1059–1060. ISBN 0-8018-5789-9
  5. ^ a b c Kingdon, J. (1997). The Kingdon Guide to African Mammals. Academic Press Limited, London. pp. 332–333. ISBN 0-12-408355-2
  6. ^ a b c Huffman, B. (2004). Giant forest hog. Ultimate Ungulates.
  7. ^ Dzanga Forest Elephants (2008). Departures and Arrivals.

External links

  • Hylochoerus meinertzhageni
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