Nigeria-Cameroon chimpanzee

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Nigeria-Cameroon chimpanzee
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Suborder: Haplorhini
Infraorder: Simiiformes
Family: Hominidae
Subfamily: Homininae
Tribe: Hominini
Genus: Pan
Species:
P. troglodytes
Subspecies:
P. t. ellioti
Trinomial name
Pan troglodytes ellioti
(Matschie,1914)[1]
Synonyms

Pan troglodytes vellerosus

The Nigeria-Cameroon chimpanzee (Pan troglodytes ellioti) is a

Endangered
by the IUCN, indicating a high risk of extinction in the near future.

History

The Nigeria-Cameroon chimpanzee has been classified as the fourth subspecies of

natural range, with between 3500 and 9000 individuals remaining.[2]

Description

Nigeria-Cameroon chimpanzees weigh around 80 kg for adult males in captivity and 65 kg for adult females in captivity. They stand about 1–1.7 m tall when erect.[3]

Subpopulations

The Nigeria-Cameroon chimpanzee is found in:[1]

During a 2006 survey in southwestern Nigeria, the Nigeria-Cameroon chimpanzee was found in Idanre Forest Reserve, Ifon Forest Reserve, Oluwa Forest Reserve, Omo Forest Reserve, Ise Forest Reserve, Ologbo Forest Reserve, and Okomu National Park.[5] Chimpanzees were found in Ondo State, Ekiti State, Edo State, and Ogun State. Later surveys also confirmed that chimpanzees are also present in Akure-Ofosu Forest Reserve.[6] This population is on the verge of extinction due to habitat loss, disease, and human activities like hunting.[7] The genetic affiliations of this population are also unclear.

A June 2008 report said the Edumanom Forest Reserve was the last known site for chimpanzees in the Niger Delta.[8]

Habitat

The subspecies inhabits

montane forests at elevations of up to 2,750 m (9,020 ft) above sea level. There are also populations that primarily inhabit savanna habitats.[3]

Lifespan

Individuals can live for 40 to 60 years.[3]

Status and conservation

The Nigeria-Cameroon chimpanzee is recognised as the most threatened and least widely distributed of all the common chimpanzee subspecies, facing a high likelihood of extinction in the coming decades.[9]

References

  1. ^
    doi:10.2305/IUCN.UK.2016-2.RLTS.T40014A17990330.en
    . Retrieved 12 November 2021.
  2. PMID 30285707
    .
  3. ^ a b c "Nigeria-Cameroon Chimpanzee - Profile | Traits | Facts | Habitat". Primates Park. 2021-03-30. Retrieved 2022-03-25.
  4. ^ "Brief history".
  5. ^ Greengrass, E. J. (2006). "A survey of chimpanzees in South-West Nigeria". NCF-WCS Biodiversity Research Programme.
  6. ^ Ikemeh, R. A. (2013). "Population survey of Nigerian-Cameroon chimpanzees (Pan troglodytes ellioti) in Southwestern Nigerian Priority Sites: Idanre Forest Cluster and Ise Forest Reserve". African Primates. 8: 39–50.
  7. ^ Research Gate (25 March 2022). "Human Activity and Forest Degradation Threaten Populations of the Nigeria-Cameroon Chimpanzee". www.wcs.org. Retrieved 2022-03-25.
  8. ^ "Nigeria biodiversity and tropical forestry assessment" (PDF). USAID. June 2008. p. 76. Retrieved 18 September 2010.
  9. ^ "Chimpanzee conservation - cameroon". africanconservation.org. Archived from the original on 14 May 2008. Retrieved 11 October 2009.
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