Donations are tax-deductible as allowed by law. Instead, researchers have used indirect signs, such as nest counts, and estimated range sizes to determine that there are only about 200 to 300 of these gorillas left in the wild. And other gorilla facts. 1996. The IUCN lists the Cross-River gorilla as “critically endangered,” meaning the species is considered to be facing an extremely high risk of extinction in the wild. Zoologists and researchers are interested in a cross-river gorilla. Cross river Gorillas, also known as Gorilla gorilla diehli are subspecies of the western gorilla or Gorilla gorilla. Poaching occurs in the forests as well, and the loss of even a few of these gorillas has a detrimental effect on such a small population. Ln: IUCN 2013. The most endangered gorilla subspecies, only around 300 Cross River gorillas are thought to exist, living in an isolated region along the border between Nigeria and Cameroon. “If we don’t get serious about saving these spectacular species, it’s quite likely that many won’t be around in the years to come.”. In partnership with the Wildlife Conservation Society and the governments of Nigeria and Cameroon, WWF supports research about the ecology, distribution and population biology of these animals. A flagship species for conservation efforts in the region, the Cross River gorilla Gorilla gorilla diehli is the most threatened ape in Africa. However, the face, hands, and feet have no fur at all. Poaching, disease and habitat destruction remain threats for gorillas, and WWF is working to designate new protected areas where populations can thrive. Version 2013.1. Cross River gorillas live in a region populated by many humans who have encroached upon the gorilla’s territory—clearing forests for timber and to create fields for agriculture and livestock. Gorilla gorilla diehli. 1250 24th Street, N.W. Because the gorillas are wary of humans and inhabit rugged territory, scientists have been unable to count many of these gorillas directly. The Cross River gorilla, which lives in the mountainous border area of Nigeria and Cameroon, is Africa’s most threatened ape, with a population estimated at fewer than 300 individuals. Arend de Haas - License Information. Adams, J. S., and T. O. McShane. It is classified as critically endangered and scientists estimate there are less than 250 remaining in the wild. Average adult male height: 165–175 cm. The Cross River gorilla is a subspecies of the western gorilla. Folia Primatol 2013;84:18–31 (DOI:10.1159/000345853), McFarland, K. L. 2007. Newsweek subscription offers > Bushmeat Trade and Primate Conservation around Cross River National Park. Gorilla Journal 23. tropical and subtropical moist broadleaf forests, "Regional Action Plan for the Conservation of the Cross River Gorilla (, "World's rarest gorilla ready for its close-up", 10.1002/(SICI)1096-8644(1998)26+<207::AID-AJPA18>3.0.CO;2-Y. Cross River gorillas are the rarest of all great apes and were unknown to scientists until the early 20th century. 3. Following conservation efforts, hunting has declined to a low level, but any amount of gorilla killing will have a significantly impact an already small population. This is the highest ranking for species that remain in the wild, and means the Cross River gorilla is … The Cross River gorilla (Gorilla gorilla diehli) is a subspecies of the western gorilla (Gorilla gorilla). The Cross River gorilla is separated by about 300 km from the nearest population of western lowland gorillas. The continued fragmentation of Cross River Gorilla habitat across a large, complex area, together with the threat from hunting and the small number of gorillas remaining, has led to its critically endangered status. Cross River Gorilla resting in the shade of trees in the hottest time of the day. 2008. They live in mountainous border area between Cameroon and Nigeria at … Gorilla Gorilla. Number remaining: Fewer than 300. And they are restricted to the forested hills and mountains of the Cameroon-Nigeria border region. Average adult female height: 140 cm (4 ft 7 in). In fact, the Cross River gorilla was once thought to be extinct in Nigeria, but a small population was rediscovered in the late 1980s, according to WCS. Where they live: Nigeria and Cameroon. Scientists have been unable to thoroughly study the distribution and abundance of the Cross River gorilla until the last decade or so. With a population estimated to be fewer than 300 individuals, the Cross-River gorilla is the most endangered great ape in Africa. Speak up for species and places through WWF's Action Center. About 100 Cross River gorillas have since been recorded in Nigeria's Cross River State and about 200 in Cameroon in a transborder region of … Watch full episodes of RARE: Creatures of the Photo Ark online now. The population risks inbreeding and a loss of genetic diversity because there are so few Cross River gorillas and they live in groups that interact infrequently if at all. FACTS. Cross River gorillas live in a region populated by many humans who have encroached upon the gorilla’s territory—clearing forests for timber and to create fields for agriculture and livestock. This page was last edited on 16 December 2020, at 17:58. University of California Press, Berkeley, California, USA. WWF and partners have worked with the governments of Cameroon and Nigeria to create a protected area for the Cross River gorilla that spans the border of these two nations. (5 ft 5 in-5 ft 9 in). Fruits comprise majority of cross-river gorilla feeds however they opt for other feeds during the low season for the fruits. Gorillas, the largest living primates, make their homes in central Africa. (13) WWF® and ©1986 Panda Symbol are owned by WWF. The Cross River Gorilla was classified as a distinct sub-species in the year 2000. Indah E.K. Cross-river gorillas just like other gorilla species are herbivorous and feed on fruits, leaves, fruits, herbs and tree barks. They were first recognized as a different sub-specie in 1904 but it wasn’t until 1987 that more details about them were known. Cross River gorillas are hard to find in the wild, in part because their population is so small. Average adult female weight: 100 kg (220 lb). 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