Gorillas are
herbivorous
A herbivore is an animal anatomically and physiologically adapted to eating plant material, for example foliage or marine algae, for the main component of its diet. As a result of their plant diet, herbivorous animals typically have mouthpar ...
, predominantly ground-dwelling
great ape
The Hominidae (), whose members are known as the great apes or hominids (), are a taxonomic family of primates that includes eight extant species in four genera: '' Pongo'' (the Bornean, Sumatran and Tapanuli orangutan); ''Gorilla'' (the ...
s that inhabit the tropical
forests
A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...
of
equatorial Africa
Equatorial Africa is an ambiguous term that sometimes is used to refer either to the equatorial region of Sub-Saharan Africa traversed by the Equator, more broadly to tropical Africa or in a biological and geo-environmental sense to the intra- ...
. The
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
''Gorilla'' is divided into two species: the
eastern gorilla
The eastern gorilla (''Gorilla beringei'') is a critically endangered species of the genus ''Gorilla'' and the largest living primate. At present, the species is subdivided into two subspecies. There are 3,800 eastern lowland gorillas or Graue ...
and the
western gorilla
The western gorilla (''Gorilla gorilla'') is a great ape found in Africa, one of two species of the hominid genus ''Gorilla''. Large and robust with males weighing around , the hair is significantly lighter in color than the eastern gorilla, '' ...
, and either four or five
subspecies. The
DNA of gorillas is highly similar to
that of humans, from 95 to 99% depending on what is included, and they are the next closest living relatives to
human
Humans (''Homo sapiens'') are the most abundant and widespread species of primate, characterized by bipedalism and exceptional cognitive skills due to a large and complex brain. This has enabled the development of advanced tools, cultu ...
s after
chimpanzees
The chimpanzee (''Pan troglodytes''), also known as simply the chimp, is a species of great ape native to the forest and savannah of tropical Africa. It has four confirmed subspecies and a fifth proposed subspecies. When its close relative th ...
and
bonobos
The bonobo (; ''Pan paniscus''), also historically called the pygmy chimpanzee and less often the dwarf chimpanzee or gracile chimpanzee, is an endangered great ape and one of the two species making up the genus '' Pan,'' the other being the com ...
.
Gorillas are the largest
living
Living or The Living may refer to:
Common meanings
*Life, a condition that distinguishes organisms from inorganic objects and dead organisms
** Living species, one that is not extinct
*Personal life, the course of an individual human's life
* ...
primate
Primates are a diverse order of mammals. They are divided into the strepsirrhines, which include the lemurs, galagos, and lorisids, and the haplorhines, which include the tarsiers and the simians ( monkeys and apes, the latter including ...
s, reaching heights between 1.25 and 1.8 metres, weights between 100 and 270 kg, and arm spans up to 2.6 metres, depending on species and sex. They tend to live in troops, with the leader being called a silverback. The Eastern gorilla is distinguished from the Western by darker fur colour and some other minor morphological differences. Gorillas tend to live 35–40 years in the wild. The
oldest gorilla known is
Fatou (b. 1957), who is still alive at the advanced age of 65 years.
Gorillas' natural habitats cover
tropical or subtropical forest in
Sub-Saharan Africa. Although their range covers a small percentage of Sub-Saharan Africa, gorillas cover a wide range of elevations. The
mountain gorilla
The mountain gorilla (''Gorilla beringei beringei'') is one of the two subspecies of the eastern gorilla. It is listed as endangered by the IUCN as of 2018.
There are two populations: One is found in the Virunga volcanic mountains of Centr ...
inhabits the
Albertine Rift
The Albertine Rift is the western branch of the East African Rift, covering parts of Uganda, the Democratic Republic of the Congo (DRC), Rwanda, Burundi and Tanzania.
It extends from the northern end of Lake Albert to the southern end of Lake Tan ...
montane
cloud forests of the
Virunga Volcanoes, ranging in altitude from . Lowland gorillas live in dense forests and lowland swamps and marshes as low as
sea level
Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardise ...
, with
western lowland gorilla
The western lowland gorilla (''Gorilla gorilla gorilla'') is one of two Critically Endangered subspecies of the western gorilla (''Gorilla gorilla'') that lives in montane, primary and secondary forest and lowland swampland in central Afri ...
s living in Central West African countries and
eastern lowland gorilla
The eastern lowland gorilla (''Gorilla beringei graueri'') or Grauer's gorilla is a Critically Endangered subspecies of eastern gorilla endemic to the mountainous forests of eastern Democratic Republic of the Congo. Important populations of ...
s living in the
Democratic Republic of the Congo
The Democratic Republic of the Congo (french: République démocratique du Congo (RDC), colloquially "La RDC" ), informally Congo-Kinshasa, DR Congo, the DRC, the DROC, or the Congo, and formerly and also colloquially Zaire, is a country in ...
near its border with
Rwanda.
There are thought to be around 316,000 western gorillas in the wild, and 5,000 eastern gorillas. Both species are classified as
Critically Endangered by the IUCN; all subspecies are classified as Critically Endangered with the exception of the mountain gorilla, which is classified as
Endangered
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and in ...
. There are many threats to their survival, such as poaching, habitat destruction, and disease, which threaten the survival of the species. However, conservation efforts have been successful in some areas where they live.
Etymology
The word "gorilla" comes from the history of
Hanno the Navigator ( 500 BC), a
Carthaginian The term Carthaginian ( la, Carthaginiensis ) usually refers to a citizen of Ancient Carthage.
It can also refer to:
* Carthaginian (ship), a three-masted schooner built in 1921
* Insurgent privateers; nineteenth-century South American privateers, ...
explorer on an expedition to the west
Africa
Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...
n coast to the area that later became
Sierra Leone
Sierra Leone,)]. officially the Republic of Sierra Leone, is a country on the southwest coast of West Africa. It is bordered by Liberia to the southeast and Guinea surrounds the northern half of the nation. Covering a total area of , Sierr ...
. Members of the expedition encountered "savage people, the greater part of whom were women, whose bodies were hairy, and whom our interpreters called Gorillae". It is unknown whether what the explorers encountered were what we now call gorillas, another species of ape or monkeys, or humans.
[ Skins of gorillai women, brought back by Hanno, are reputed to have been kept at Carthage until Rome destroyed the city 350 years later at the end of the Punic Wars, 146 BC.
The American physician and missionary Thomas Staughton Savage and naturalist ]Jeffries Wyman
Jeffries Wyman (August 11, 1814 – September 4, 1874) was an American naturalist and anatomist, born in Chelmsford, Massachusetts. Wyman died in Bethlehem, New Hampshire of a pulmonary hemorrhage.
Career
He graduated Harvard College in 183 ...
first described the western gorilla
The western gorilla (''Gorilla gorilla'') is a great ape found in Africa, one of two species of the hominid genus ''Gorilla''. Large and robust with males weighing around , the hair is significantly lighter in color than the eastern gorilla, '' ...
in 1847 from specimens obtained in Liberia. They called it ''Troglodytes gorilla'', using the then-current name of the chimpanzee genus. The species name was derived , as described by Hanno.
Evolution and classification
The closest relatives of gorillas are the other two Homininae
Homininae (), also called "African hominids" or "African apes", is a subfamily of Hominidae. It includes two tribes, with their extant as well as extinct species: 1) the tribe Hominini (with the genus ''Homo'' including modern humans and numerou ...
genera, chimpanzees and humans, all of them having diverged from a common ancestor about 7 million years ago. Human gene sequences differ only 1.6% on average from the sequences of corresponding gorilla genes, but there is further difference in how many copies each gene has. Until recently, gorillas were considered to be a single species, with three subspecies: the western lowland gorilla, the eastern lowland gorilla and the mountain gorilla. There is now agreement that there are two species, each with two subspecies. More recently, a third subspecies has been claimed to exist in one of the species. The separate species and subspecies developed from a single type of gorilla during the Ice Age
An ice age is a long period of reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers. Earth's climate alternates between ice ages and gre ...
, when their forest habitats shrank and became isolated from each other.
Primatologists
Primatology is the scientific study of primates. It is a diverse discipline at the boundary between mammalogy and anthropology, and researchers can be found in academic departments of anatomy, anthropology, biology, medicine, psychology, vete ...
continue to explore the relationships between various gorilla populations. The species and subspecies listed here are the ones upon which most scientists agree.
The proposed third subspecies of ''Gorilla beringei'', which has not yet received a trinomen
In biology, trinomial nomenclature refers to names for taxa below the rank of species. These names have three parts. The usage is different in zoology and botany.
In zoology
In zoological nomenclature, a trinomen (), trinominal name, or ternary ...
, is the Bwindi population of the mountain gorilla, sometimes called the Bwindi gorilla
The Bwindi Impenetrable National Park (BINP) is in southwestern Uganda. The park is part of the Bwindi Impenetrable Forest and is situated along the Democratic Republic of the Congo (DRC) border next to the Virunga National Park and on the edge o ...
.
Some variations that distinguish the classifications of gorilla include varying density, size, hair colour, length, culture, and facial widths. Population genetics of the lowland gorillas suggest that the western and eastern lowland populations diverged around 261 thousand years ago.
Characteristics
Wild male gorillas weigh , while adult females weigh . Adult males are tall, with an arm span that stretches from . Female gorillas are shorter at , with smaller arm spans. Colin Groves
Colin Peter Groves (24 June 1942 – 30 November 2017) was a British-Australian biologist and anthropologist. Groves was Professor of Biological Anthropology at the Australian National University in Canberra, Australia.
Education
Born in Englan ...
(1970) calculated the average weight of 42 wild adult male gorillas at 144 kg, while Smith and Jungers (1997) found the average weight of 19 wild adult male gorillas to be 169 kg. Adult male gorillas are known as silverbacks due to the characteristic silver hair on their backs reaching to the hips. The tallest gorilla recorded was a silverback with an arm span of , a chest of , and a weight of , shot in Alimbongo, northern Kivu
Kivu was the name for a large "region" in the Democratic Republic of the Congo under the rule of Mobutu Sese Seko that bordered Lake Kivu. It included three "Sub-Regions" ("Sous-Régions" in French): Nord-Kivu, Sud-Kivu and Maniema, correspondi ...
in May 1938. The heaviest gorilla recorded was a silverback shot in Ambam
Ambam is a town and commune in South Province of Cameroon on the border with Equatorial Guinea and Gabon. This frontier town is located approximately 220 km from Yaoundé and as of 2005 had a population of 1,596. Traditionally, it has traded ...
, Cameroon
Cameroon (; french: Cameroun, ff, Kamerun), officially the Republic of Cameroon (french: République du Cameroun, links=no), is a country in west-central Africa. It is bordered by Nigeria to the west and north; Chad to the northeast; the C ...
, which weighed . Males in captivity can be overweight and reach weights up to .
The eastern gorilla is more darkly coloured than the western gorilla, with the mountain gorilla being the darkest of all. The mountain gorilla also has the thickest hair. The western lowland gorilla can be brown or greyish with a reddish forehead. In addition, gorillas that live in lowland forest are more slender and agile than the more bulky mountain gorillas. The eastern gorilla also has a longer face and broader chest than the western gorilla. Like humans, gorillas have individual fingerprints.
Their eye colour is dark brown, framed by a black ring around the iris. Gorilla facial structure is described as mandibular prognathism
Prognathism, also called Habsburg jaw or Habsburgs' jaw primarily in the context of its prevalence amongst members of the House of Habsburg, is a positional relationship of the mandible or maxilla to the skeletal base where either of the jaws pr ...
, that is, the mandible
In anatomy, the mandible, lower jaw or jawbone is the largest, strongest and lowest bone in the human facial skeleton. It forms the lower jaw and holds the lower teeth in place. The mandible sits beneath the maxilla. It is the only movable bone ...
protrudes farther out than the maxilla
The maxilla (plural: ''maxillae'' ) in vertebrates is the upper fixed (not fixed in Neopterygii) bone of the jaw formed from the fusion of two maxillary bones. In humans, the upper jaw includes the hard palate in the front of the mouth. T ...
. Adult males also have a prominent sagittal crest.
Gorillas move around by knuckle-walking
Knuckle-walking is a form of quadrupedal walking in which the forelimbs hold the fingers in a partially flexed posture that allows body weight to press down on the ground through the knuckles. Gorillas, bonobos, and chimpanzees use this style o ...
, although they sometimes walk upright for short distances, typically while carrying food or in defensive situations. A 2018 study investigating the hand posture of 77 mountain gorillas at Bwindi Impenetrable National Park
The Bwindi Impenetrable National Park (BINP) is in southwestern Uganda. The park is part of the Bwindi Impenetrable Forest and is situated along the Democratic Republic of the Congo (DRC) border next to the Virunga National Park and on the edge o ...
(8% of the population) found that knuckle walking was done only 60% of the time, and they also supported their weight on their fists, the backs of their hands/feet, and on their palms/soles (with the digits flexed). Such a range of hand postures was previously thought to have been used by only orangutans. Studies of gorilla handedness have yielded varying results, with some arguing for no preference for either hand, and others right-hand dominance for the general population.
Studies have shown gorilla blood is not reactive to anti-A and anti-B monoclonal antibodies, which would, in humans, indicate type O blood
The ABO blood group system is used to denote the presence of one, both, or neither of the A and B antigens on erythrocytes. For human blood transfusions, it is the most important of the 43 different blood type (or group) classification system ...
. Due to novel sequences, though, it is different enough to not conform with the human ABO blood group system
The ABO blood group system is used to denote the presence of one, both, or neither of the A and B antigens on erythrocytes. For human blood transfusions, it is the most important of the 43 different blood type (or group) classification system ...
, into which the other great apes fit.
A gorilla's lifespan is normally between 35 and 40 years, although zoo gorillas may live for 50 years or more. Colo, a female western gorilla at the Columbus Zoo and Aquarium
The Columbus Zoo and Aquarium is a non-profit zoo located near Powell in Liberty Township, Delaware County, Ohio, United States, north of the city of Columbus. The land lies along the eastern banks of the O'Shaughnessy Reservoir on the Sciot ...
, was the oldest known gorilla at 60 years of age when she died on 17 January 2017. Ozzie was 61 years old at the time of his death in January 2022.
Distribution and habitat
Gorillas have a patchy distribution. The range of the two species is separated by the Congo River
The Congo River ( kg, Nzâdi Kôngo, french: Fleuve Congo, pt, Rio Congo), formerly also known as the Zaire River, is the second longest river in Africa, shorter only than the Nile, as well as the second largest river in the world by discharge ...
and its tributaries. The western gorilla lives in west central Africa, while the eastern gorilla lives in east central Africa. Between the species, and even within the species, gorillas live in a variety of habitats and elevations. Gorilla habitat ranges from montane forest
Montane ecosystems are found on the slopes of mountains. The alpine climate in these regions strongly affects the ecosystem because temperatures fall as elevation increases, causing the ecosystem to stratify. This stratification is a crucial ...
to swampland. Eastern gorillas inhabit montane and submontane forests between above sea level.
Mountain gorillas live in montane forests at the higher end of the elevation range, while eastern lowland gorillas live in submontane forests at the lower end. In addition, eastern lowland gorillas live in montane bamboo forests, as well as lowland forests ranging from in elevation. Western gorillas live in both lowland swamp forests and montane forests, at elevations ranging from sea level to . Western lowland gorillas live in swamp and lowland forests ranging up to , and Cross River gorillas live in low-lying and submontane forests ranging from .
Ecology
Diet and foraging
A gorilla's day is divided between rest periods and travel or feeding periods. Diets differ between and within species. Mountain gorillas mostly eat foliage, such as leaves, stems, pith, and shoots, while fruit makes up a very small part of their diets. Mountain gorilla food is widely distributed and neither individuals nor groups have to compete with one another. Their home ranges vary from , and their movements range around or less on an average day. Despite eating a few species in each habitat, mountain gorillas have flexible diets and can live in a variety of habitats.
Eastern lowland gorillas have more diverse diets, which vary seasonally. Leaves and pith are commonly eaten, but fruits can make up as much as 25% of their diets. Since fruit is less available, lowland gorillas must travel farther each day, and their home ranges vary from , with day ranges . Eastern lowland gorillas will also eat insects, preferably ants. Western lowland gorillas depend on fruits more than the others and they are more dispersed across their range. They travel even farther than the other gorilla subspecies, at per day on average, and have larger home ranges of . Western lowland gorillas have less access to terrestrial herbs, although they can access aquatic herbs in some areas. Termites and ants are also eaten.
Gorillas rarely drink water "because they consume succulent vegetation that is almost half water as well as morning dew", although both mountain and lowland gorillas have been observed drinking.
Nesting
Gorillas construct nest
A nest is a structure built for certain animals to hold eggs or young. Although nests are most closely associated with birds, members of all classes of vertebrates and some invertebrates construct nests. They may be composed of organic materi ...
s for daytime and night use. Nests tend to be simple aggregations of branches and leaves about in diameter and are constructed by individuals. Gorillas, unlike chimpanzees or orangutans, tend to sleep in nests on the ground. The young nest with their mothers, but construct nests after three years of age, initially close to those of their mothers. Gorilla nests are distributed arbitrarily and use of tree species for site and construction appears to be opportunistic. Nest-building by great apes is now considered to be not just animal architecture, but as an important instance of tool use
Tool use by animals is a phenomenon in which an animal uses any kind of tool in order to achieve a goal such as acquiring food and water, grooming, defence, communication, recreation or construction. Originally thought to be a skill possessed ...
.
Gorillas make a new nest to sleep on daily and do not use the previous one. This even if remaining in the same place. Usually, they are made an hour before dusk, to be ready to sleep when night falls. Gorillas sleep longer than humans, an average of 12 hours per day.
Threats and competition
One possible predator of gorillas is the leopard. Gorilla remains have been found in leopard scat, but this may be the result of scavenging. When the group is attacked by humans, leopards, or other gorillas, an individual silverback will protect the group, even at the cost of his own life. Gorillas do not appear to directly compete with chimpanzees in areas where they overlap. When fruit is abundant gorilla and chimpanzee diets converge, but when fruit is scarce gorillas resort to vegetation. The two apes may also feed on different species, whether fruit or insects. Gorillas and chimpanzees usually ignore or avoid each other when feeding on the same tree, but coalitions of chimpanzees have been observed attacking families of gorillas including silverbacks and killing infants.
Behaviour
Social structure
Gorillas live in groups called troops. Troops tend to be made of one adult male or silverback, with a harem of multiple adult females and their offspring. However, multiple-male troops also exist. A silverback is typically more than 12 years of age, and is named for the distinctive patch of silver hair on his back, which comes with maturity. Silverbacks have large canine teeth that also come with maturity. Both males and females tend to emigrate from their natal groups. For mountain gorillas, females disperse from their natal troops more than males. Mountain gorillas and western lowland gorillas also commonly transfer to second new groups.
Mature males also tend to leave their groups and establish their own troops by attracting emigrating females. However, male mountain gorillas sometimes stay in their natal troops and become subordinate to the silverback. If the silverback dies, these males may be able to become dominant or mate with the females. This behaviour has not been observed in eastern lowland gorillas. In a single male group, when the silverback dies, the females and their offspring disperse and find a new troop. Without a silverback to protect them, the infants will likely fall victim to infanticide. Joining a new group is likely to be a tactic against this. However, while gorilla troops usually disband after the silverback dies, female eastern lowlands gorillas and their offspring have been recorded staying together until a new silverback transfers into the group. This likely serves as protection from leopards.
The silverback is the centre of the troop's attention, making all the decisions, mediating conflicts, determining the movements of the group, leading the others to feeding sites, and taking responsibility for the safety and well-being of the troop. Younger males subordinate to the silverback, known as blackbacks, may serve as backup protection. Blackbacks are aged between 8 and 12 years and lack the silver back hair. The bond that a silverback has with his females forms the core of gorilla social life. Bonds between them are maintained by grooming and staying close together. Females form strong relationships with males to gain mating opportunities and protection from predators and infanticidal outside males. However, aggressive behaviours between males and females do occur, but rarely lead to serious injury. Relationships between females may vary. Maternally related females in a troop tend to be friendly towards each other and associate closely. Otherwise, females have few friendly encounters and commonly act aggressively towards each other.
Females may fight for social access to males and a male may intervene. Male gorillas have weak social bonds, particularly in multiple-male groups with apparent dominance hierarchies and strong competition for mates. Males in all-male groups, though, tend to have friendly interactions and socialise through play, grooming, and staying together, and occasionally they even engage in homosexual interactions. Severe aggression is rare in stable groups, but when two mountain gorilla groups meet the two silverbacks can sometimes engage in a fight to the death, using their canines to cause deep, gaping injuries.
Reproduction and parenting
Females mature at 10–12 years (earlier in captivity), and males at 11–13 years. A female's first ovulatory cycle occurs when she is six years of age, and is followed by a two-year period of adolescent infertility. The estrous cycle lasts 30–33 days, with outward ovulation signs subtle compared to those of chimpanzees. The gestation period lasts 8.5 months. Female mountain gorillas first give birth at 10 years of age and have four-year interbirth intervals. Males can be fertile before reaching adulthood. Gorillas mate year round.
Females will purse their lips and slowly approach a male while making eye contact. This serves to urge the male to mount her. If the male does not respond, then she will try to attract his attention by reaching towards him or slapping the ground. In multiple-male groups, solicitation indicates female preference, but females can be forced to mate with multiple males. Males incite copulation by approaching a female and displaying at her or touching her and giving a "train grunt". Recently, gorillas have been observed engaging in face-to-face sex, a trait once considered unique to humans and bonobos.
Gorilla infants are vulnerable and dependent, thus mothers, their primary caregivers, are important to their survival. Male gorillas are not active in caring for the young, but they do play a role in socialising them to other youngsters. The silverback has a largely supportive relationship with the infants in his troop and shields them from aggression within the group. Infants remain in contact with their mothers for the first five months and mothers stay near the silverback for protection. Infants suckle at least once per hour and sleep with their mothers in the same nest.
Infants begin to break contact with their mothers after five months, but only for a brief period each time. By 12 months old, infants move up to from their mothers. At around 18–21 months, the distance between mother and offspring increases and they regularly spend time away from each other. In addition, nursing decreases to once every two hours. Infants spend only half of their time with their mothers by 30 months. They enter their juvenile period at their third year, and this lasts until their sixth year. At this time, gorillas are weaned and they sleep in a separate nest from their mothers. After their offspring are weaned, females begin to ovulate and soon become pregnant again. The presence of play partners, including the silverback, minimizes conflicts in weaning between mother and offspring.
Communication
Twenty-five distinct vocalisations are recognised, many of which are used primarily for group communication within dense vegetation. Sounds classified as grunts and barks are heard most frequently while traveling, and indicate the whereabouts of individual group members. They may also be used during social interactions when discipline is required. Screams and roars signal alarm or warning, and are produced most often by silverbacks. Deep, rumbling belches suggest contentment and are heard frequently during feeding and resting periods. They are the most common form of intragroup communication.
For this reason, conflicts are most often resolved by displays and other threat behaviours that are intended to intimidate without becoming physical. As a result, fights do not occur very frequently. The ritual
A ritual is a sequence of activities involving gestures, words, actions, or objects, performed according to a set sequence. Rituals may be prescribed by the traditions of a community, including a religious community. Rituals are characterized ...
ized charge display is unique to gorillas. The entire sequence has nine steps: (1) progressively quickening hooting, (2) symbolic feeding, (3) rising bipedally, (4) throwing vegetation, (5) chest-beating with cupped hands, (6) one leg kick, (7) sideways running, two-legged to four-legged, (8) slapping and tearing vegetation, and (9) thumping the ground with palms to end display.
A gorilla's chest-beat may vary in frequency depending on its size. Smaller ones tend to have higher frequencies, while larger ones tend to be lower. They also do it the most when females are ready to mate.
Intelligence
Gorillas are considered highly intelligent. A few individuals in captivity, such as Koko, have been taught a subset of sign language
Sign languages (also known as signed languages) are languages that use the visual-manual modality to convey meaning, instead of spoken words. Sign languages are expressed through manual articulation in combination with non-manual markers. Sign l ...
. Like the other great ape
The Hominidae (), whose members are known as the great apes or hominids (), are a taxonomic family of primates that includes eight extant species in four genera: '' Pongo'' (the Bornean, Sumatran and Tapanuli orangutan); ''Gorilla'' (the ...
s, gorillas can laugh, grieve, have "rich emotional lives", develop strong family bonds, make and use tools, and think about the past and future. Some researchers believe gorillas have spiritual feelings or religious sentiments. They have been shown to have cultures in different areas revolving around different methods of food preparation, and will show individual colour preferences.
Tool use
The following observations were made by a team led by Thomas Breuer of the Wildlife Conservation Society
The Wildlife Conservation Society (WCS) is a non-governmental organization headquartered at the Bronx Zoo in New York City, that aims to conserve the world's largest wild places in 14 priority regions. Founded in 1895 as the New York Zoological ...
in September 2005. Gorillas are now known to use tools in the wild. A female gorilla in the Nouabalé-Ndoki National Park
Nouabalé-Ndoki National Park is a national park in the Republic of the Congo. Established in 1993, in the northern provinces of Congo, it is home to forest elephants, great apes, including western lowland gorillas and the eastern sub-species of ...
in the Republic of Congo was recorded using a stick as if to gauge the depth of water whilst crossing a swamp. A second female was seen using a tree stump as a bridge and also as a support whilst fishing in the swamp. This means all of the great ape
The Hominidae (), whose members are known as the great apes or hominids (), are a taxonomic family of primates that includes eight extant species in four genera: '' Pongo'' (the Bornean, Sumatran and Tapanuli orangutan); ''Gorilla'' (the ...
s are now known to use tools.
In September 2005, a two-and-a-half-year-old gorilla in the Republic of Congo was discovered using rocks to smash open palm nuts inside a game sanctuary. While this was the first such observation for a gorilla, over 40 years previously, chimpanzees had been seen using tools in the wild 'fishing' for termites. Nonhuman great apes are endowed with semiprecision grips, and have been able to use both simple tools and even weapons, such as improvising a club from a convenient fallen branch.
Scientific study
American physician and missionary Thomas Staughton Savage obtained the first specimens (the skull and other bones) during his time in Liberia. The first scientific description of gorillas dates back to an article by Savage and the naturalist Jeffries Wyman
Jeffries Wyman (August 11, 1814 – September 4, 1874) was an American naturalist and anatomist, born in Chelmsford, Massachusetts. Wyman died in Bethlehem, New Hampshire of a pulmonary hemorrhage.
Career
He graduated Harvard College in 183 ...
in 1847 in ''Proceedings of the Boston Society of Natural History'', where ''Troglodytes gorilla'' is described, now known as the western gorilla
The western gorilla (''Gorilla gorilla'') is a great ape found in Africa, one of two species of the hominid genus ''Gorilla''. Large and robust with males weighing around , the hair is significantly lighter in color than the eastern gorilla, '' ...
. Other species of gorilla were described in the next few years.[
]
The explorer Paul Du Chaillu
Paul Belloni Du Chaillu (July 31, 1831 (disputed)April 29, 1903) was a French-American traveler, zoologist, and anthropologist. He became famous in the 1860s as the first modern European outsider to confirm the existence of gorillas, and later t ...
was the first westerner to see a live gorilla during his travel through western equatorial Africa from 1856 to 1859. He brought dead specimens to the UK in 1861.
The first systematic study was not conducted until the 1920s, when Carl Akeley
Carl Ethan Akeley (May 19, 1864 – November 17, 1926) was a pioneering American taxidermist, sculptor, biologist, conservationist, inventor, and nature photographer, noted for his contributions to American museums, most notably to the Milwauk ...
of the American Museum of Natural History traveled to Africa to hunt for an animal to be shot and stuffed. On his first trip, he was accompanied by his friends Mary Bradley
Mary Bradley (born 10 May 1942) is a Social Democratic and Labour Party (SDLP) politician who was a Member of the Northern Ireland Assembly (MLA) for Foyle from 2003 to 2011.
In 1985, she was elected to Derry City Council, representing the Soc ...
, a mystery writer, her husband, and their young daughter Alice, who would later write science fiction under the pseudonym James Tiptree Jr. After their trip, Mary Bradley wrote ''On the Gorilla Trail''. She later became an advocate for the conservation of gorillas, and wrote several more books (mainly for children). In the late 1920s and early 1930s, Robert Yerkes and his wife Ava helped further the study of gorillas when they sent Harold Bigham to Africa. Yerkes also wrote a book in 1929 about the great apes.
After World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...
, George Schaller
George Beals Schaller (born 1933) is a German-born American mammalogist, biologist, conservationist and author. Schaller is recognized by many as the world's preeminent field biologist, studying wildlife throughout Africa, Asia and South Ameri ...
was one of the first researchers to go into the field and study primates. In 1959, he conducted a systematic study of the mountain gorilla in the wild and published his work. Years later, at the behest of Louis Leakey and the '' National Geographic'', Dian Fossey
Dian Fossey (, January 16, 1932 – ) was an American primatologist and conservationist known for undertaking an extensive study of mountain gorilla groups from 1966 until her murder in 1985. She studied them daily in the mountain forests of R ...
conducted a much longer and more comprehensive study of the mountain gorilla. When she published her work, many misconceptions and myths about gorillas were finally disproved, including the myth that gorillas are violent.
Western lowland gorilla
The western lowland gorilla (''Gorilla gorilla gorilla'') is one of two Critically Endangered subspecies of the western gorilla (''Gorilla gorilla'') that lives in montane, primary and secondary forest and lowland swampland in central Afri ...
s (''G. g. gorilla'') are believed to be one of the zoonotic
A zoonosis (; plural zoonoses) or zoonotic disease is an infectious disease of humans caused by a pathogen (an infectious agent, such as a bacterium, virus, parasite or prion) that has jumped from a non-human (usually a vertebrate) to a human. ...
origins of HIV/AIDS
Human immunodeficiency virus infection and acquired immunodeficiency syndrome (HIV/AIDS) is a spectrum of conditions caused by infection with the human immunodeficiency virus (HIV), a retrovirus. Following initial infection an individual ...
. The SIVgor Simian immunodeficiency virus
''Simian immunodeficiency virus'' (''SIV'') is a species of retrovirus that cause persistent infections in at least 45 species of non-human primates. Based on analysis of strains found in four species of monkeys from Bioko Island, which was iso ...
that infects them is similar to a certain strain of HIV-1.
Genome sequencing
The gorilla became the next-to-last great ape genus to have its genome sequenced. The first gorilla genome was generated with short read and Sanger sequencing using DNA from a female western lowland gorilla named Kamilah. This gave scientists further insight into the evolution and origin of humans. Despite the chimpanzees being the closest extant relatives of humans, 15% of the human genome was found to be more like that of the gorilla. In addition, 30% of the gorilla genome "is closer to human or chimpanzee than the latter are to each other; this is rarer around coding genes, indicating pervasive selection throughout great ape evolution, and has functional consequences in gene expression." Analysis of the gorilla genome has cast doubt on the idea that the rapid evolution of hearing genes gave rise to language in humans, as it also occurred in gorillas.
Captivity
Gorillas became highly prized by western zoo
A zoo (short for zoological garden; also called an animal park or menagerie) is a facility in which animals are kept within enclosures for public exhibition and often bred for conservation purposes.
The term ''zoological garden'' refers to zoo ...
s since the 19th century, though the earliest attempts to keep them in captive facilities ended in their early death. In the late 1920s the care of captive gorillas significantly improved. Colo (December 22, 1956 – January 17, 2017) of the Columbus Zoo and Aquarium
The Columbus Zoo and Aquarium is a non-profit zoo located near Powell in Liberty Township, Delaware County, Ohio, United States, north of the city of Columbus. The land lies along the eastern banks of the O'Shaughnessy Reservoir on the Sciot ...
was the first gorilla to be born in captivity.
Captive gorillas exhibit stereotypic behaviors, including eating disorders — such as regurgitation, reingestion and coprophagy
Coprophagia () or coprophagy () is the consumption of feces. The word is derived from the grc, κόπρος , "feces" and , "to eat". Coprophagy refers to many kinds of feces-eating, including eating feces of other species (heterospecifics), o ...
— self-injurious or conspecific aggression, pacing, rocking, sucking of fingers or lip smacking, and overgrooming. Negative vigilance of visitor behaviors have been identified as starting, posturing and charging at visitors. Groups of bachelor gorillas containing young silverbacks have significantly higher levels of aggression and wounding rates than mixed age and sex groups.
The use of both internal and external privacy screens on exhibit windows has been shown to alleviate stresses from visual effects of high crowd densities, leading to decreased stereotypic behaviors in the gorillas. Playing naturalistic auditory stimuli as opposed to classical music, rock music, or no auditory enrichment (which allows for crowd noise, machinery, etc. to be heard) has been noted to reduce stress behavior as well. Enrichment modifications to feed and foraging, where clover-hay is added to an exhibit floor, decrease stereotypic activities while simultaneously increasing positive food-related behaviors.
Recent research on captive gorilla welfare emphasizes a need to shift to individual assessments instead of a one-size-fits-all group approach to understanding how welfare increases or decreases based on a variety of factors. Individual characteristics such as age, sex, personality and individual histories are essential in understanding that stressors will affect each individual gorilla and their welfare
Welfare, or commonly social welfare, is a type of government support intended to ensure that members of a society can meet basic human needs such as food and shelter. Social security may either be synonymous with welfare, or refer specifical ...
differently.
Conservation status
All species (and subspecies) of gorilla are listed as endangered
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and in ...
or critically endangered on the IUCN Red List
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biol ...
. All gorillas are listed in Appendix I of the Convention on International Trade in Endangered Species
CITES (shorter name for the Convention on International Trade in Endangered Species of Wild Fauna and Flora, also known as the Washington Convention) is a multilateral treaty to protect endangered plants and animals from the threats of interna ...
(CITES), meaning that international export/import of the species, including in parts and derivatives, is regulated. Around 316,000 western lowland gorillas are thought to exist in the wild, 4,000 in zoos, thanks to conservation; eastern lowland gorillas have a population of under 5,000 in the wild and 24 in zoos. Mountain gorillas are the most severely endangered, with an estimated population of about 880 left in the wild and none in zoos. Threats to gorilla survival include habitat destruction
Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...
and poaching
Poaching has been defined as the illegal hunting or capturing of wild animals, usually associated with land use rights.
Poaching was once performed by impoverished peasants for subsistence purposes and to supplement meager diets. It was set a ...
for the bushmeat trade. Gorillas are closely related to humans, and are susceptible to diseases that humans also get infected by. In 2004, a population of several hundred gorillas in the Odzala National Park, Republic of Congo was essentially wiped out by the Ebola virus
''Zaire ebolavirus'', more commonly known as Ebola virus (; EBOV), is one of six known species within the genus '' Ebolavirus''. Four of the six known ebolaviruses, including EBOV, cause a severe and often fatal hemorrhagic fever in humans and o ...
. A 2006 study published in ''Science
Science is a systematic endeavor that Scientific method, builds and organizes knowledge in the form of Testability, testable explanations and predictions about the universe.
Science may be as old as the human species, and some of the earli ...
'' concluded more than 5,000 gorillas may have died in recent outbreaks of the Ebola virus in central Africa. The researchers indicated in conjunction with commercial hunting of these apes, the virus creates "a recipe for rapid ecological extinction
Ecological extinction is "the reduction of a species to such low abundance that, although it is still present in the community, it no longer interacts significantly with other species".
Ecological extinction stands out because it is the interacti ...
". In captivity, its also been observed that gorillas can also be infected with COVID-19.
Conservation efforts include the Great Apes Survival Project The Great Apes Survival Partnership (GRASP) is a UNEP and UNESCO-led World Summit on Sustainable Development (WSSD) Type II Partnership, established in 2001, that aims to conserve the non-human great apes (chimpanzees, bonobos, gorillas and oranguta ...
, a partnership between the United Nations Environment Programme
The United Nations Environment Programme (UNEP) is responsible for coordinating responses to environmental issues within the United Nations system. It was established by Maurice Strong, its first director, after the United Nations Conference on th ...
and the UNESCO
The United Nations Educational, Scientific and Cultural Organization is a specialized agency of the United Nations (UN) aimed at promoting world peace and security through international cooperation in education, arts, sciences and culture. It ...
, and also an international treaty, the Agreement on the Conservation of Gorillas and Their Habitats
The Agreement on the Conservation of Gorillas and Their Habitats, also known as the Gorilla Agreement, is a multilateral environmental agreement that binds the parties to conserve gorillas in their territories. It was concluded 2007 under the aus ...
, concluded under UNEP-administered Convention on Migratory Species
The Convention on the Conservation of Migratory Species of Wild Animals, also known as the Convention on Migratory Species (CMS) or the Bonn Convention, is an international agreement that aims to conserve migratory species throughout their r ...
. The Gorilla Agreement
The Agreement on the Conservation of Gorillas and Their Habitats, also known as the Gorilla Agreement, is a multilateral environmental agreement that binds the parties to conserve gorillas in their territories. It was concluded 2007 under the aus ...
is the first legally binding instrument exclusively targeting gorilla conservation; it came into effect on 1 June 2008. Governments of countries where gorillas live placed a ban on their killing and trading, but weak law enforcement still poses a threat to them, since the governments rarely apprehend poachers, traders and consumers that rely on gorillas for profit.
Cultural significance
In Cameroon's Lebialem
Lebialem is a department of Southwest Province in Cameroon. The department covers an area of 617 km and as of 2005 had a total population of 113,736. The capital of the department lies at Menji.
Since the outbreak of the Anglophone Crisis i ...
highlands, folk stories connect people and gorillas via totem
A totem (from oj, ᑑᑌᒼ, italics=no or '' doodem'') is a spirit being, sacred object, or symbol that serves as an emblem of a group of people, such as a family, clan, lineage, or tribe, such as in the Anishinaabe clan system.
While ''the ...
s; a gorilla's death means the connected person will die also. This creates a local conservation ethic. Many different indigenous peoples interact with wild gorillas. Some have detailed knowledge; the Baka have words to distinguish at least ten types of gorilla individuals, by sex, age, and relationships. In 1861, alongside tales of hunting enormous gorillas, the traveller and anthropologist Paul Du Chaillu
Paul Belloni Du Chaillu (July 31, 1831 (disputed)April 29, 1903) was a French-American traveler, zoologist, and anthropologist. He became famous in the 1860s as the first modern European outsider to confirm the existence of gorillas, and later t ...
reported the Cameroonian story that a pregnant woman who sees a gorilla will give birth to one.
In 1911, the anthropologist Albert Jenks
Albert Ernest Jenks (1869–1953) was an American anthropologist and a professor at the University of Minnesota
The University of Minnesota, formally the University of Minnesota, Twin Cities, (UMN Twin Cities, the U of M, or Minnesota) is a p ...
noted the Bulu people
The Beti-Pahuin are a Bantu ethnic group located in rain forest regions of Cameroon, Republic of the Congo, Equatorial Guinea, Gabon, and São Tomé and Príncipe. Though they separate themselves into several individual clans, they all share a ...
's knowledge of gorilla behaviour and ecology, and their gorilla stories. In one such story, "The Gorilla and the Child", a gorilla speaks to people, seeking help and trust, and stealing a baby; a man accidentally kills the baby while attacking the gorilla. Even far from where gorillas live, savannah tribes pursue "cult-like worship" of the apes. Some beliefs are widespread among indigenous peoples. The Fang name for gorilla is ''ngi'' while the Bulu name is ''njamong''; the root ''ngi'' means fire, denoting a positive energy. From the Central African Republic to Cameroon and Gabon, stories of reincarnations as gorillas, totems, and transformations similar to those recorded by Du Chaillu are still told in the 21st century.
Since gaining international attention, gorillas have been a recurring element of many aspects of popular culture and media. They were usually portrayed as murderous and aggressive. Inspired by Emmanuel Frémiet
Emmanuel Frémiet (6 December 182410 September 1910) was a French sculptor. He is famous for his 1874 sculpture of Joan of Arc in Paris (and its "sister" statues in Philadelphia and Portland, Oregon) and the monument to Ferdinand de Lesseps in S ...
's ''Gorilla Carrying off a Woman'', gorillas have been depicted kidnapping human women. This theme was used in films such as ''Ingagi
''Ingagi'' is a 1930 pre-Code mockumentary exploitation film directed by William S. Campbell. It purports to be a documentary about "Sir Hubert Winstead" of London on an expedition to the Belgian Congo, and depicts a tribe of gorilla-worshipping ...
'' (1930) and most notably ''King Kong
King Kong is a fictional giant monster resembling a gorilla, who has appeared in various media since 1933. He has been dubbed The Eighth Wonder of the World, a phrase commonly used within the franchise. His first appearance was in the novelizat ...
'' (1933). The comedic play '' The Gorilla'', which debuted in 1925, featured an escaped gorilla taking a woman from her house. Several films would use the "escaped gorilla" trope including ''The Strange Case of Doctor Rx
''The Strange Case of Doctor Rx'' is a 1942 black-and-white murder mystery/ horror B film by Universal Studios directed by William Nigh and starring Patric Knowles, Lionel Atwill, Anne Gwynne, Ray "Crash" Corrigan and Samuel S. Hinds. Although ...
'' (1942), ''The Gorilla Man
''The Gorilla Man'' is a 1943 American drama film directed by D. Ross Lederman. Despite the title and marketing, it is not a horror film, but a World War II espionage thriller.
Plot
Military officer Captain Craig Killian is wounded in the lin ...
'' (1943), '' Gorilla at Large'' (1954) and the Disney
The Walt Disney Company, commonly known as Disney (), is an American multinational mass media and entertainment conglomerate headquartered at the Walt Disney Studios complex in Burbank, California. Disney was originally founded on October ...
cartoons ''The Gorilla Mystery
''The Gorilla Mystery'' is a 1930 Mickey Mouse animated film produced by Walt Disney for Columbia Pictures, as part of the '' Mickey Mouse'' film series. It was the twenty-second Mickey Mouse short to be produced, the seventh of that year.
The ...
'' (1930) and ''Donald Duck and the Gorilla
''Donald Duck and the Gorilla'' is a Donald Duck short adventure horror monster film which was originally released in 1944. It stars Donald Duck along with his three nephews; Huey, Dewey and Louie and Ajax, the killer gorilla. The 1930 Micke ...
'' (1944).
Gorillas have been used as opponents to jungle-themed heroes such as Tarzan
Tarzan (John Clayton II, Viscount Greystoke) is a fictional character, an archetypal feral child raised in the African jungle by the Mangani great apes; he later experiences civilization, only to reject it and return to the wild as a heroic adv ...
and Sheena, Queen of the Jungle
Sheena, Queen of the Jungle, is a fictional American comic book jungle girl heroine, originally published primarily by Fiction House during the Golden Age of Comic Books. She was the first female comic book character with her own title, with he ...
, as well as superheroes. The DC comics
DC Comics, Inc. (doing business as DC) is an American comic book publisher and the flagship unit of DC Entertainment, a subsidiary of Warner Bros. Discovery.
DC Comics is one of the largest and oldest American comic book companies, with thei ...
supervillain Gorilla Grodd
Gorilla Grodd is a supervillain character appearing in American comic books and other media published by DC Comics, primarily as an enemy of The Flash. The character was created by John Broome and Carmine Infantino, and first appeared in ''The F ...
is an enemy of the Flash. Gorillas also serve as antagonists in the 1968 film ''Planet of the Apes
''Planet of the Apes'' is an American science fiction media franchise consisting of films, books, television series, comics, and other media about a world in which humans and intelligent apes clash for control. The franchise is based on Frenc ...
''. More positive and sympathetic portrayals of gorillas include the films ''Son of Kong
''The Son of Kong'' (also known and publicized simply as ''Son of Kong'') is a 1933 American Pre-Code adventure monster film produced by RKO Pictures. Directed by Ernest Schoedsack and featuring special effects by Willis O'Brien and Buzz Gibson ...
'' (1933), '' Mighty Joe Young'' (1949), ''Gorillas in the Mist
''Gorillas in the Mist'' is a 1988 American drama film directed by Michael Apted and starring Sigourney Weaver as the naturalist Dian Fossey. It tells the story of her work in Rwanda with mountain gorillas and was nominated for five Academy Aw ...
'' (1988) and '' Instinct'' (1999) and the 1992 novel '' Ishmael''. Gorillas have been featured in video games as well, notably ''Donkey Kong
is a video game franchise created by Shigeru Miyamoto and owned by Nintendo. It follows the adventures of a gorilla named Donkey Kong (character), Donkey Kong and his clan of other Ape, apes and monkeys. The franchise primarily consists of plat ...
''.
See also
* Bili ape
The Bili apes or Bondo mystery apes were names given in 2003 in sensational reports in the popular media to a purportedly new species of highly aggressive, giant ape supposedly inhabiting the wetlands and savannah around of the village of Bili in ...
* Gorilla (advertisement)
''Gorilla'' is a British advertising campaign launched by the advertising agency Fallon London on behalf of Cadbury Schweppes in 2007, to promote Cadbury Dairy Milk brand chocolate. The centrepiece of the campaign was a 90-second television a ...
* Gorilla suit
Gorilla suits are a type of creature suit resembling a gorilla. The gorilla suit is a popular Halloween and costume party costume, and is also used as a source of humour, while more realistic suits have been used both to represent real gorillas i ...
* Great Ape Project
The Great Ape Project (GAP), founded in 1993, is an international organization of primatologists, anthropologists, ethicists, and others who advocate a United Nations Declaration of the Rights of Great Apes that would confer basic legal right ...
* Harambe
Harambe (May 27, 1999 – May 28, 2016) was a western lowland gorilla who lived at the Cincinnati Zoo from 2014 to 2016, and previously at the Gladys Porter Zoo for 15 years. On May 28, 2016, a three-year-old boy climbed into a gorilla enclosu ...
– a captive gorilla, shot while interacting with a child who fell into his zoo enclosure, who became a popular internet meme
* International Primate Day
* List of individual apes
This is a list of non-human apes of encyclopedic interest. It includes individual chimpanzees, gorillas, orangutans, bonobos, and gibbons that are in some way famous or notable.
Actors
* Bam Bam, an orangutan, played Precious on the soap opera ...
* List of fictional apes
* Monkey Day
Monkey Day is an unofficial international holiday celebrated on December 14. The holiday was created and popularized in 2000 by controversial artists Casey Sorrow and Eric Millikin when they were art students at Michigan State University. Monkey ...
References
Literature cited
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External links
Animal Diversity Web
– includes photos, artwork, and skull specimens of ''Gorilla gorilla''
Pulitzer Center on Crisis Reporting
International Gorilla Conservation Programme
The International Gorilla Conservation Programme (IGCP) was formed in 1991 to ensure that the critically endangered mountain gorillas are conserved in their habitat in the mountain forests of the Virunga Massif in Rwanda, Uganda and the Democrati ...
(Video)
Primate Info Net ''Gorilla'' Factsheet
– taxonomy, ecology, behavior and conservation
– features a video and photos
World Wildlife Fund: Gorillas
– conservation, facts and photos
Gorilla protection
– Gorilla conservation
Welcome to the Year of the Gorilla 2009
Virunga National Park
– The Official Website for Virunga National Park, the Last Refuge for Congo's Mountain Gorillas
Human Timeline (Interactive)
– Smithsonian, National Museum of Natural History
The National Museum of Natural History is a natural history museum administered by the Smithsonian Institution, located on the National Mall in Washington, D.C., United States. It has free admission and is open 364 days a year. In 2021, with 7 ...
(August 2016).
Genome of ''Gorilla gorilla''
via Ensembl
Ensembl genome database project is a scientific project at the European Bioinformatics Institute, which provides a centralized resource for geneticists, molecular biologists and other researchers studying the genomes of our own species and other v ...
Genome of ''Gorilla gorilla'' (version Kamilah_GGO_v0/gorGor6)
via UCSC Genome Browser
The UCSC Genome Browser is an online and downloadable genome browser hosted by the University of California, Santa Cruz (UCSC). It is an interactive website offering access to genome sequence data from a variety of vertebrate and invertebrate spec ...
Data of the genome of ''Gorilla gorilla''
via NCBI
The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of Health (NIH). It is approved and funded by the government of the United States. The ...
Data of the genome assembly of ''Gorilla gorilla'' (version Kamilah_GGO_v0/gorGor6)
via NCBI
The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of Health (NIH). It is approved and funded by the government of the United States. The ...
{{Authority control
Apes
Herbivorous mammals
Fauna of Sub-Saharan Africa
Primate genera
Taxa named by Isidore Geoffroy Saint-Hilaire
Taxa described in 1852