where do cross river gorillas live

Leopards rarely prey on adult male gorillas, but they do it specifically of western lowland gorillas (Gorilla gorilla gorilla). The Cross river gorilla (scientific name: Gorilla gorilla diehli) is a subspecies of the western gorilla. Lowland gorillas live in the forests of central and western Africa in Equatorial Guinea, Angola, Cameroon, the Central African Republic, Congo, Gabon and the Democratic Republic of the Congo. They belong to the phylum Chordata and order Primates. Even though this may seem overwhelming to the area, some local farmers have remarked that they are far less destructive to their land than other animals with a smaller stature, including wild pigs. The majority of these gorillas are in Nigeria and Cameroon, spread out amongst no less than 11 families. There are only about 300 Cross River gorillas left in the world, making them the rarest subspecies of gorilla, or indeed any great ape. They have cone-shaped heads, above which, rests a reddish crest. 19(8), 943-955. Eniang, E., December 2001. The World Wildlife Organization has multiple partners within the Nigerian and Cameroon governments to protect certain areas. Usually, these gorillas give birth to single babies and pairs are a rare occurrence. Endemicmeans this is the only place in the world they can be found. Gorillas move every single day for food and water and to look for a place to sleep that night- anew next is built every evening. Cross River gorillas are the most endangered great ape in Africa. The Cross River gorillas are critically endangered. The Limbe Wildlife Center in Cameroon has been the only zoo to have one of these gorillas on display since 2007. ... Distribution of the Cross River gorilla (© Angela Meder, with information from Rich Bergl). A group of gorillas can have a territory of up to 16 square miles (41 square kilometers), according to National Geographic. Average adult male height: 165â175 cm. Usually, they avoid “silverback” leaders that are stronger and focus on young individuals or offspring. There are populations in the Afi Mountains in Nigeria, the Mbe Mountains in Cameroon, in the Takamanda National Park in Cameroon, and in the Cross River National Park in Nigeria. They tend to have redder or greyer fur than eastern gorillas. The group is usually led by a silverback male as the dominant leader. The Cross River gorillas are polygamous animals. Some people have kept the Cross River gorilla as pets, which is a dangerous trade that impacts the ability to conserve the species. The gestation period usually lasts about nine months – which is also very similar to humans. The groups are led by a dominant male. Their gestation period usually lasts 9 months. They live in the forests of East and Central Africa. They also exist in the Afi mountains in Nigeria and the Cameroons’ Mbe mountains. "The Cross River Gorillas: A Distinct Subspecies, "Remote Sensing Analysis Reveals Habitat, Dispersal Corridors and Expanded Distribution for the Critically Endangered Cross River, "World's Most Endangered Gorilla Fights Back", "Nigeria Values Safety of Gorillas Over New Superhighway", "Historical sampling reveals dramatic demographic changes in western gorilla populations", "Rare gorillas in Nigeria captured on camera with babies", "Primates in Peril: The World's 25 Most Endangered Primates 2012â 2014", "Traditional Knowledge Systems and the Conservation of Cross River Gorillas: a Case Study of Bechati, Fossimondi, Besali, Cameroon", "New National Park Protects World's Rarest Gorilla", "A GIS Habitat Map for the Kagwene Gorilla Sanctuary, Cameroon", Cross River Gorilla Species Profile from the African Conservation Foundation, https://en.wikipedia.org/w/index.php?title=Cross_River_gorilla&oldid=992687806, IUCN Red List critically endangered species, All Wikipedia articles needing clarification, Wikipedia articles needing clarification from October 2013, Creative Commons Attribution-ShareAlike License. Mountain gorillas live in Rwanda, Uganda and the Democratic Republic of the Congo, on green, volcanic mountains. (6) Gorillas spend most of their time on the ground, usually walking on all fours, on the knuckles of their hands, although they can walk just on the two hind legs. 2008. 1996. Except for subtle differences in skull size (their heads are smaller relative to body size) … Human activities like deforestation also pose threats to these gorillas. Paul Matschie, in 1904, named the cross river gorilla a new species, though it has become increasingly rare. 7 Dunn. The Congo River Basin has plenty of green, lush jungles which facilitate the survival of the gorillas. Appearance. The predators of the Cross River gorillas include crocodiles and large jungle cats. Paul Matschie, in 1904, named the cross river gorilla a new species, though it has become increasingly rare. The habitat of the Cross River gorillas includes the mountainous forest between Nigeria and Cameroons. This event is believed to have been the result of how close the farms were to the forest homes of the gorillas. They usually give birth only once in four years or so because the level of infant care is very high in these Cross River gorillas. These gorillas usually take care of their babies until they are three or four years of age. Are Cross River gorillas carnivores, herbivores, or omnivores? The Gorillas of the Cross River are the most western and northern forms of the guerrillas and are confined to the forests and mountains of the Cameroon-Nigeria border area along the banks of the Cross River. Population & distribution The Cross River gorilla is restricted to a small area of highland forest on the border of Cameroon and Nigeria. The gorillas can sometimes be found in lowland forests, but they tend to stay at higher altitudes. Some hunters will kill the parent of the baby gorilla to take them to sell, as they are easy to handle at a small size. Gorilla gorilla diehli. The Cross River gorillas are the most endangered great apes in Africa. Where do Gorillas live? When encountered by humans, gorillas usually flee and rarely charge. The word “gorilla” is rooted in the Ancient Greek word “Γόριλλαι.” The word refers to a “tribe of hairy women,” which is how Hanno the Navigator described the people on the west coast of Africa (which is now known as Sierra Leone). Red finches can form flocks of over 100 birds, The muskrat can stay underwater up to 17 minutes at a time, What are the best dogs for city living? The face usually has no fur, just like the hands, and feet. So which breeds fit these needs? Apart from their fragmented families, another trade has become highly lucrative and a major threat to the species – selling this species as pets. Apart from that, they are also found in the Takamanda National Park of Cameroon and the Cross River National Park in Nigeria. They are endemic to the Cross River region on the border of Nigeria and Cameroon, in Africa. However, sources suggest that they also indulge in recreational activities like grooming. The Afi study group usually consists of 18 gorillas, which roam in about 30km2, a larger range than is usual for Western Lowland Gorillas. The Cross River gorilla is usually found in montane rainforest between 1,500 and 3,500 meters and in bamboo forest from about 2,500 to 3,000 meters. The women were described as being “savage” and “hairy.”. Cross River gorillas are hard to find in the wild, in part because their population is so small. Characteristics: The rarest species of great ape in the world, Cross River gorillas are similar in appearance to western lowland gorillas, but have a different shaped skull. Divergence between the Western gorillas (Gorilla gorilla) and Eastern Gorillas (G. beringei) began between 0.9 and 1.6 million years ago. The Cross River gorillas are known to be highly efficient in infant care and are known to care for their babies up until they are three to four years of age. Like all the other living beings on the planet, the Cross River gorillas are also an important part of the ecosystem. The U.S. is helping to save an elusive and endangered species of gorilla in West Africa. Due to the critically endangered status and the decreasing number of Cross River gorillas around the world, keeping them in a captive environment allows these gorillas can thrive again. The Cross River Gorilla is one of the 25 most endangered primates worldwide. Gorillas are divided into two main species – The western and Eastern Gorilla. The nesting places are usually on the ground. However, the face, hands, and feet have no fur at all. This habitat of theirs is called the Cross River basin. Characteristics: The rarest species of great ape in the world, Cross River gorillas are similar in appearance to western lowland gorillas, but have a different shaped skull. As the population dwindles, some organizations are working to protect the forests that they live in, preventing them from venturing out into local areas and losing food sources. Cross River gorillas are scattered in at least 11 groups across the lowland montane forests and rainforests of Cameroon and Nigeria, an area of 3,000 square miles, or about twice the size of Rhode Island. These gorillas have brownish-grey or black fur. Others live in the mountain region like in Virunga Mountains. Their behavior is very similar to other gorillas. The Cross river gorilla (scientific name: Gorilla gorilla diehli) is a subspecies of the western gorilla. Gorilla number: 250-300 . Cross River gorillas are a subspecies of the western gorilla and live in the forests surrounding the Cross River, hence their name. 25 October 2013, Ferris S., 2005 Chapter 7: Western Gorilla (, March 1957; Critchley, 1968; Harcourt et al., 1989; Oates et al., 1990; JLG, unpublished data, Etiendem D.N., Funwi-Gabga N., Tagg N. Hens L. Indah E.K., 2013. The Cross River gorillas are often eaten by crocodiles and large forest cats. The Cross River gorillas sexually mature at 10 years of age and usually have babies every 4 years. Still, there is hope that this species will recover from these threats within the next 75 years, as long as continued efforts are made to preserve their habitat. Right now, the threat of becoming infected with Ebola and of being hunted is enough to make recovery an impossibility in the short-term. The nesting happens in forests after these gorillas build nests with branches and leaves. Adams, J. S., and T. O. McShane. Gorilla Gorilla. The Cross River gorillas usually live for 35 to 50 years. They tend to have redder or greyer fur than eastern gorillas. The lifespan of these gorillas is usually 35 to 50 years. However, they also face a lot of threats – both from other animals as from human beings. The gorilla, who was named Nyango, passed away on October 10th, 2016 as the result of illness, and there are no other reports of zoos that currently hold these mammals. They mostly live in highland forests. Cross River gorillas are forest dwelling creatures. Despite not hosting these animals, many zoos and sanctuaries offer important facts about the Cross River gorilla to encourage patrons to support conservation. Cross River gorillas are found in the mountains, highlands and forests along the border between Cameroon and Nigeria. They are usually found at the borders between Nigeria and Cameroon. A group usually consists of the dominant male, six to seven females, and their children. Gorilla gorilla diehli. These animals are known to inhibit the most North and West regions. University of California Press, Berkeley, California, USA. The Cross River gorilla is threatened by humans as they were hunted extensively in the past – which is also why their numbers are pretty low. Cross River gorillas are a subspecies of the western gorilla whereas mountain gorillas are a subspecies of the eastern gorilla. The Cross River Gorilla was classified as a distinct sub-species in the year 2000. Ecology of Cross River gorillas (, Walsh, P.D., Tutin, C.E.G., Oates, J.F., Bailie, J.E.M., Maisels, F., Stokes, E.J., Gatti, S., Bergl, R.A., Sunderland-Groves, J. This page was last edited on 6 December 2020, at 16:05. (5 ft 5 in-5 ft 9 in). A. Are mountain Gorillas something special? Cross river Gorillas are very closely related to all gorilla species, and to chimpanzees, and they share over 98% of their DNA with humans. Do several species of Gorillas exist? These gorillas have long arms and a prominent ridgeline, which offers a striking contrast to the flat face and wide nostrils. These gorillas are usually known to be peaceful. Cross River Gorillas usually live in groups of four to seven individuals, although larger groups do exist. Gorillas can also live in other types of habitats including dense old-growth forests, moun… WWF works to designate new gorilla sanctuaries, such as in Congo. Average adult female height: 140 cm (4 ft 7 in). Cross River gorillas have an extremely limited geographic range. The male leader is usually responsible for taking care of the females and children of the group and also often makes the key decisions of the group like the feeding and nesting sites. These gorillas are very social and usually live in groups of 2 to 20. Most of these gorillas are found at a height of 1500 meters to 3500 meters in the mountainous rain forests and bamboo forests. "The Cross River Gorillas (. If this gorilla species makes it down to the lowlands, they will likely find themselves in an unsatisfactory situation with local farmers that harvest bananas and plantains. They inhabit mountainous rain forests and bamboo forests at altitudes of 1,500 to 3,50… They thrive in tropical and subtropical forests that run across the equatorial belt. Due to aggressive hunting activities, there are only about 200-300 Cross River gorillas left in the world. The Cross-river gorillas go by the scientific name “Gorilla gorilla diehli” and belong to the kingdom Animalia and class Mammalia. 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. However, the resting places change in the rainy season when they shift their nests to the top of trees. Cross River gorillas are herbivores and their diets usually comprise branches, leaves, nuts, and berries that they obtain from various plants. In Afi, gorillas travelled longer distances when consuming large amounts of fruit, while at Kagwene, the gorillas travelled shorter distances when … It is, therefore, the subspecies that inhabits the most north and west regions of all. The only way that Cross River gorillas seek out food in other areas is due to the lack of nutrition in proximity to their home. Still, the only time in recent history that these beautiful mammals have caused significant damage was in 2006. 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 about … These gorillas live in the mountainous region between Nigeria and Cameroons.The Cross River gorillas are herbivores and usually feed on branches, nuts, leaves, and berries that they hunt for from different plants. Average adult male weight: 140â200 kg (310 lb-440 lb). Number remaining: Fewer than 300. Applying resource selection functions at multiple scales to prioritize habitat use by the endangered Cross River gorilla. The Cross River Gorilla lives in the mountainous region between Nigeria and Cameroons. These gorillas have brownish-grey or black fur. The Cross River gorillas are the most endangered great apes in Africa. Wikipedia, Available here: https://en.wikipedia.org/wiki/Cross_River_gorilla, New England Primate Conservancy, Available here: https://www.neprimateconservancy.org/cross-river-gorilla.html, Gorillas World, Available here: https://www.gorillas-world.com/cross-river-gorilla/, Cross Gorilla Programme, Available here: https://crossrivergorilla.org/diet/, WWF, Available here: https://www.worldwildlife.org/species/cross-river-gorilla#, Study.com, Available here: https://study.com/academy/lesson/cross-river-gorilla-reproduction-facts.html. To view them in a zoo, there are many reserves and sanctuaries to host them, like the Afi Mountain Wildlife Sanctuary. Indah E.K. However, they can often turn aggressive towards humans and can also try to hit them with stones and branches. Located in the mountains across the borders of Cameroon and Nigeria, the cross-river gorillas is one sub specie of the western gorillas scientifically known as the Gorilla gorilla diehli. Most of their day is spent eating. Cross River Gorilla live in groups. This restriction is most likely because humans … Ln: IUCN 2013. This subspecies is the world’s strangest gorilla; rarely seen and with a small population. The myth of wild Africa: conservation without illusion. "Cross River gorillas: A distinct subspecies, 10.1206/0003-0082(2000)3304<0001:TCRGAD>2.0.CO;2. Version 2013.1. THE PROBLEM. The Cross River Gorilla lives in the mountainous region between Nigeria and Cameroons. Bushmeat Trade and Primate Conservation around Cross River National Park. These cross river gorillas live in the cross river region which is called the biodiversity hotspot (One of the 34 hotspots in the world according to Conservation International). Additionally, they must be comfortable in smaller spaces and able to saunter through crowded city streets on a leash — or in a bag — without freaking out. The female gorillas, after giving birth, breastfeed their babies and take care of them up until they are about three to four years of age. The group leaders who are dominant males often have a silver patch on their backs – which is also why they are called silverbacks. cross river gorilla diet Cross River Gorillas eat more liana and tree bark throughout the year, and less fruit during periods of scarcity, than Western Lowland Gorillas. Since gorillas live in tropical climates, their remains quickly disappear, consumed by scavengers and insects. What are the predators of the Cross River gorillas? Sawyer, S. (n.d). A study published in 2007 in the American Journal of Primatology announced the discovery of the subspecies fighting back against possible threats from humans. They "found several instances of gorillas throwing sticks and clumps of grass". Let’s […] Read More, The cross river gorilla is a subspecies of the. 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. The Cross River gorillas have a slender yet short build, paired with light-colored hair. It lives in a region between Nigeria and Cameroon, just at the Cross River basin. They inhabit an area that is about 300 square miles. Some Gorillas live in the very lowlands while others are in the extreme elevations of the mountains. They have also been endangered because of human activities like deforestation. They also belong to the family Hominidae and genus gorilla. They may attack humans with branches, stones, and herbs if provoked. Cross River Gorilla. The cross river gorillas are most affected by poaching and there are currently … Amazing Facts About the Cross River Gorilla The Cross River Gorilla is a subspecies of the Western Gorilla. Why is the Cross River gorilla endangered? This is unusual. The foods found in the diets of the Cross River gorillas mainly consist of leaves, nuts, berries, and liana which is a woody vine. However, they may sometimes turn aggressive towards humans when threatened. Folia Primatol 2013;84:18â31 (DOI:10.1159/000345853), McFarland, K. L. 2007. 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 about 12,000 square kilometers (4,633 square miles). The Cross River gorillas are usually peaceful animals. Do Gorillas live exclusively in the forest? The dominant male of the group usually mates with all the sexually mature females of his group. Cross River gorillas are herbivores and feed on branches, leaves, nuts, and berries that come from several different plants. To be more specific, small populations are found in the Mbe Mountains in Cameroon, the Afi Mountains of Nigeria, Cross River National Park in Nigeria and Takamanda National Park in Cameroon. They are usually found on the mountainous borders of Nigeria and Cameroon. This space is called the Cross River basin. The Cross River gorillas are social and live in family groups of 2 to 20 individuals. What threats do gorillas face? Many gorillas live in Africa along the forests and swamps. Efforts are therefore being made to make them live in designated places so that they could thrive in protected environments since the Cross River gorilla is decreasing still. Gorillas have a patchy distribution ranging across central, western, and eastern Africa. Poaching, diseases such as Ebola, and habitat destruction threaten the four gorilla subspecies; most gorillas live outside of protected areas. There are only 200 to 300 cross river gorillas left in the world. Seven Cross River gorillas including infants were pictured at the Mbe Mountains Community Forest in Cross River by the Wildlife Conservation Society in May and June.. Only 300 Cross River gorillas are known to live in the wild, making them the most endangered sub-species. Known as the world’s strangest gorillas, the Cross River gorillas are small in population and are rarely ever seen. Where they live: Nigeria and Cameroon. The Criss River gorillas are endangered mainly because they were victims of severe and aggressive hunting in the past few years. These herbivorous gorillas will search as far as they need to go for their nutrients, even outside of their typical foraging area to get what they need. Their heads are cone-shaped, and they have a red-colored crest on their heads. Cross river gorillas live near human settlements in the congo basin. During this time, they do not reproduce again and give their full attention to their newly born baby. The Cross River Gorilla needs much more study before we can fully understand it. In the Cross River region, the forests are tropical and subtropical. The Cross River Gorilla (Gorilla gorilla diehli) lives in five small pockets of habitat in an area on the border of Nigeria and Cameroon. The range of the eastern and western gorillas is separated by the Congo River. Where they live: Nigeria and Cameroon. 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. Apart from the dominant leader, there are 6-7 females and their children. The Cross River gorillas reach maturity around ten years of age. Two species of gorillas live in central equatorial Africa. 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