A male at Cincinnati Zoo. What do gorillas eat? History; Behaviour; Ecology; Species. 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. A female western gorilla at London Zoo. Gorilla Breeding and Reproduction. All species are endangered due to habitat loss and hunting amongst other threats, however the Cross River Gorilla is the rarest with fewer than 300 wild individuals remaining in eight small isolated populations in Nigeria and Cameroon. Gorilla gorilla diehli. The Cross River Gorilla was classified as a distinct sub-species in the year 2000. Eastern Lowland Gorilla. The forests inhabited by cross-river gorillas vary in height from about 100 to 2,037 meters (328 to 6,683 feet) above sea level. The Cross River gorilla is classified as Critically Endangered by the International Union for Conservation of Nature (IUCN, 2016), appearing on the IUCN Red List of Threatened Species. As previously inaccessible forests are opened up by timber companies, commercial hunters gain access to areas where gorilla roam and often use logging vehicles to transport bushmeat to far away markets, as well as sell meat to employees of the logging companies. How do Gorillas play? Mountain Gorilla; Grauer's Gorilla; Western Gorillas. Sep 18, 2018 - Gorillas are herbivorous apes that inhabit the forests of central Africa. The survey was conducted to evaluate the status of three primate species of conservation importance - the Cross River gorilla Gorilla gorilla diehli, the Nigeria-Cameroon chimpanzee Pan troglodytes ellioti and the drill Mandrillus leucophaeus. The Cross River Gorilla (Gorilla gorilla diehli) lives in five small pockets of habitat in an area on the border of Nigeria and Cameroon. 1. Cross River Gorillas eat more liana and tree bark throughout the year, and less fruit during periods of scarcity, than Western Lowland Gorillas. There are estimates of fewer than 5,000 Eastern Lowland gorillas, and over 100,000 Western Lowland gorillas in existence. Protected Area Authority rangers regularly patrol gorilla habitats looking for signs of illegal activities and removing snares. How many offspring does a mother have? They are distinguished from the eastern gorilla by light color and nasal cavity. We’re working to further strengthen this monitoring. The Cross River gorilla differs from the western lowland gorilla in both skull and tooth dimensions. 4. One of these the Mbe Mountians forest is jointly managed by Wildlife Conservation Society ([WCS] who took these photos) and the Conservation Association of the … This is the highest ranking for species that remain in the wild, and means that the population has decreased by 80% within three generations. Cross River gorilla (Gorilla gorilla diehli) – an estimated population of only 250-300 left in the wild Western lowland gorilla (Gorilla gorilla gorilla) – an estimated population of over 100,000 left in the wild. Cross River gorillas are rarely seen or photographed. Finally, gorilla monitoring and surveys are an important part of the work we support through IGCP. Cross river gorilla interesting facts about its distribution: Cross river gorilla live in groups of about 5-9 gorillas depending on species known as “troop”. Gorillas walk using their legs and knuckles. Like humans, Gorillas have 5 toes on each foot and 5 fingers on each hand. These are some on cross river gorilla facts. How does a Gorilla father treat his children? The Western species include the Western Lowland gorilla (Gorilla gorilla gorilla) and the Cross River Gorilla (Gorilla gorilla diehli). This is the highest ranking for species that remain in the wild, and means the Cross River gorilla is at risk of extinction. Both species of gorillas — Eastern (Gorilla beringei) and Western (Gorilla gorilla) gorillas — are found in equatorial Africa. The mother that had the baby in in charge of him and takes care of him. Cross River Gorillas are a sub-species of the Western Gorilla. A female western gorilla. Gorilla gorilla diehli. Gorillas are considered Great Apes along with other species including orangutans, bonobos, and chimpanzees. Scientist have shown that gorillas display individual personalities. The large abdomen that is in round shape along side the long intestines help in digesting the foods hence ensuring good health of the cross-river gorillas. A western gorilla at Bristol Zoo. The sanctuary was divided into 9 sectors and each sector simultaneously searched by a team of 3 observers. What do Gorillas Look Like? All of the species live in the Congo basin, although in slightly different areas. Mountain Gorillas. The adult male, Silver back is the head of this group. CROSS RIVER GORILLA DIET. Usually when a a cross river gorilla is born they are apart of the group from day 1. The population of the Cross River Gorilla is only around 150 individuals believed to be remaining in the wild in several populations that are isolated by farmlands. The Cross River gorilla is a critically endangered primate living in the forests on the border between Nigeria and Cameroon. And other gorilla facts. Gorillas are mammals with a reproduction behavior similar to that of other hominids. Where they live: Nigeria and Cameroon. The Cross River Gorilla, with fewer than 300 individuals estimated to exist in the wild, is the most endangered of the gorilla subspecies, and is listed by the IUCN as Critically Endangered. Gorillas, the largest living primates, make their homes in central Africa. The number of gorilla and chimp nest sites recorded by patrols in Okwangwo increased from 32 in 2011 to 50 during the year, and, for the first time in many years there were direct sightings of both Cross River gorillas and Nigeria-Cameroon chimpanzees. 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. The Cross River gorillas are said to be the most-endangered gorilla subspecies, numbering only around 300 in the wild. Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species. In Afi, gorillas travelled longer distances when consuming large amounts of fruit, while at Kagwene, the gorillas travelled shorter distances when fruit was abundant. There are four subspecies of gorillas: cross river gorilla, mountain gorilla, a western lowland gorilla, and eastern lowland gorilla. How does a Gorilla grow up? The Cross River gorilla (Gorilla gorilla diehli) is a subspecies of western gorilla, and it is the most endangered subspecies of gorilla. Western gorillas are species of gorilla species in the genus. The mother takes care of him until the baby is 2 years old. Poaching, disease and habitat destruction remain threats for gorillas, and WWF is working to designate new … Gorillas live in Africa in countries like: the Central African Republic, Gabon, Cameroon and the Republic of Congo. The Cross River gorilla (Gorilla gorilla diehli) is a subspecies of the western gorilla (Gorilla gorilla). There are two species of western gorillas: the Gorilla Cross River, which is closely related to the lowland gorillas west of the Congo River basin. A male at Melbourne Zoo. Taxonomy; Eastern gorillas. Cross River Gorillas. Fruits comprise majority of cross-river gorilla feeds however they opt for other feeds during the low season for the fruits. Although there are just two gorilla species, there are several subspecies: mountain gorillas, Cross River gorillas, western lowland gorillas and Grauer's gorillas. Cross river gorillas live in the lowland mountain forests and rainforests of Cameroon and Nigeria, areas heavily populated by humans as well. A female at Cincinnati Zoo. Number remaining: Fewer than 300. The Mountain gorilla is also severely endangered with an estimated 880 still alive today. Find out more fascinating gorilla facts including lifespan, diet, and much more. Behavior and ecology. A Gorilla can be 6ft tall and weigh 500 pounds. It was previously believed that the Cross River gorilla had gone extinct in the wild but a population was rediscovered in the late 1980s. They tend to have redder or greyer fur than eastern gorillas. The Cross River gorilla contains about 250 animals still in the wild restricted to a small border area between Nigeria and Cameroon, making them the worlds rarest ape. The Cross River gorilla is the most western and northern form of gorilla, and lives in the hills and mountains of the Cameroon-Nigeria border region near the Cross River, about 300 km away from other lowland western gorillas. It is the smallest of all the gorillas, with a difference in size heads and teeth. Extremely shy of humans, they live in most rugged & inaccessible parts of their range. The Cross River Gorilla, with fewer than 300 individuals estimated to exist in the wild, is the most endangered of the gorilla subspecies, and is listed by the IUCN as Critically Endangered. Fieldwork was conducted in the Afi Mountains of the Cross River State of Nigeria for 32 months. A male western gorilla walking with his hands and feet. Number remaining: Fewer than 300. 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