Types of Gorillas
Gorillas are among the most fascinating and intelligent animals on Earth. Their enormous size, expressive faces, complex social behavior, and close genetic relationship with humans have made them one of Africa’s most iconic wildlife species. For many travelers, seeing gorillas in their natural habitat is a dream experience, particularly through gorilla trekking in Uganda and Rwanda.
Although people often talk about “gorillas” as if there is only one kind, there are actually different types of gorillas, divided into two recognized species: the eastern gorilla and the western gorilla. These two species are further divided into four subspecies: the mountain gorilla, eastern lowland gorilla, western lowland gorilla, and Cross River gorilla.
Each type has its own geographic range, habitat, physical characteristics, behavior, and conservation challenges. Understanding these differences makes a gorilla trekking experience even more meaningful because visitors can appreciate exactly which gorillas they are encountering and why protecting them is so important.
The mountain gorilla is perhaps the most famous because it is the gorilla commonly associated with trekking experiences in Uganda and Rwanda. However, the other gorilla subspecies are equally fascinating and play important roles in Africa’s forest ecosystems.
How Many Types of Gorillas Are There?
Scientists generally recognize 2 gorilla species and 4 subspecies.
The 2 species are the Eastern Gorilla and the Western Gorilla.
The Eastern Gorilla has 2 subspecies: the Mountain Gorilla and the Eastern Lowland Gorilla, also known as Grauer’s gorilla.
The Western Gorilla also has 2 subspecies: the Western Lowland Gorilla and the Cross River Gorilla.
This classification is important because the four subspecies live in different parts of Africa and face different conservation challenges.
Despite their differences, all gorillas share many characteristics. They are highly intelligent, social mammals that live primarily in forest environments. They communicate using vocalizations, body movements, facial expressions, and physical interactions.
Their similarities also reflect their close evolutionary relationship.
Eastern Gorilla
The Eastern Gorilla is one of the two recognized gorilla species. Its scientific name is Gorilla beringei.
Eastern gorillas are found in Central and East Africa, particularly in the forests of the Democratic Republic of Congo, Uganda, and Rwanda.
There are two recognized subspecies within this species: the mountain gorilla and the eastern lowland gorilla.
Eastern gorillas are generally characterized by their darker coloration and powerful bodies. They live in forest environments, although the specific habitats vary between subspecies.
The mountain gorilla occupies high-altitude forests, while the eastern lowland gorilla lives at lower elevations in the forests of the Democratic Republic of Congo.
The Eastern Gorilla has faced significant conservation challenges because its habitat overlaps with areas that have experienced human population pressure, political instability, agricultural expansion, and other environmental pressures.
Mountain Gorillas
The mountain gorilla is perhaps the most famous gorilla in the world.
Mountain gorillas are a subspecies of the Eastern Gorilla and are scientifically classified as Gorilla beringei beringei.
They live in the mountainous forests of the Virunga region and in Uganda’s Bwindi Impenetrable Forest.
The Virunga mountain gorilla population is shared across Uganda, Rwanda, and the Democratic Republic of Congo. In Uganda, mountain gorillas can be found in Bwindi Impenetrable National Park and Mgahinga Gorilla National Park. In Rwanda, they are found in Volcanoes National Park.
Their high-altitude habitat is one of the characteristics that makes them different from the other gorilla subspecies.
The forests can be cold, wet, steep, and covered in thick vegetation. Trekking through this environment can therefore be physically challenging, but it also creates an extraordinary wildlife experience.
What Do Mountain Gorillas Look Like?
Mountain gorillas have thick, dark fur that helps protect them from the cooler temperatures of their high-altitude environment.
Adult males are much larger than females and develop a distinctive patch of silver-colored hair across their back as they mature. These males are commonly called silverbacks.
A silverback can weigh well over 100 kilograms and possesses enormous physical strength. However, their appearance can be misleading because gorillas are generally peaceful animals when they are not threatened.
Mountain gorillas have broad chests, long muscular arms, large hands, and expressive faces. Their eyes and facial expressions can communicate a surprising amount of information.
Mountain Gorilla Social Structure
Mountain gorillas are highly social.
They typically live in family groups led by one or more mature silverbacks. Groups can contain females, young gorillas, infants, and subordinate males.
The silverback plays an important role in protecting the group and maintaining social order.
Young gorillas spend much of their time playing. Their playful behavior includes climbing, wrestling, chasing one another, and interacting with adults.
Mothers have especially strong relationships with their infants. Watching a mother carry, groom, or protect her young is one of the most memorable parts of a gorilla trekking experience.
Where Can You See Mountain Gorillas?
Travelers can see mountain gorillas in three countries.
In Uganda, they are found in Bwindi Impenetrable National Park and Mgahinga Gorilla National Park.
In Rwanda, they are found in Volcanoes National Park.
In the Democratic Republic of Congo, they can be found in Virunga National Park.
Gorilla trekking in Uganda and Rwanda is particularly popular because both countries have established tourism systems that allow visitors to observe habituated gorilla families under controlled conditions.
Eastern Lowland Gorillas
The eastern lowland gorilla, also known as Grauer’s gorilla, is the largest of the four gorilla subspecies.
Its scientific name is Gorilla beringei graueri.
These gorillas are found primarily in the eastern Democratic Republic of Congo.
Unlike mountain gorillas, eastern lowland gorillas live at lower elevations. Their habitat includes tropical forests and areas with different vegetation compared with the high-altitude mountain gorilla environment.
Eastern lowland gorillas are generally larger-bodied than mountain gorillas and have powerful physiques.
They are also social animals that live in groups, although their social organization and group sizes can differ from those of mountain gorillas.
Threats Facing Eastern Lowland Gorillas
Eastern lowland gorillas face serious conservation challenges.
Habitat loss, hunting, mining, agricultural expansion, and instability in parts of their range have affected their populations.
The forests where these gorillas live are also important for countless other species. Protecting the gorillas therefore contributes to the protection of entire forest ecosystems.
Conservation efforts require cooperation between governments, local communities, researchers, wildlife organizations, and international partners.
Western Gorilla
The second major gorilla species is the Western Gorilla.
Its scientific name is Gorilla gorilla.
Western gorillas live primarily in the forests of Central and West-Central Africa.
The species contains two recognized subspecies: the western lowland gorilla and the Cross River gorilla.
Although they are both classified as western gorillas, these subspecies have different geographic distributions and face different conservation pressures.
Western Lowland Gorillas
The western lowland gorilla is the most widespread of the four gorilla subspecies.
Its scientific name is Gorilla gorilla gorilla.
These gorillas are found in countries including Cameroon, the Central African Republic, the Republic of Congo, Equatorial Guinea, Gabon, and Angola’s Cabinda region.
Their habitat consists mainly of tropical lowland forests.
Western lowland gorillas can look somewhat different from mountain gorillas. Their fur may appear lighter or browner in some individuals, and their bodies are generally smaller than those of eastern lowland gorillas.
They are still incredibly powerful animals, however.
Western lowland gorillas are also highly social and live in groups led by dominant males.
Diet of Western Lowland Gorillas
Gorillas are primarily herbivorous, although their exact diet depends on their habitat.
Western lowland gorillas consume a wide variety of vegetation, including leaves, stems, shoots, fruits, bark, and other plant material.
Their diets can change according to seasonal availability.
Because they consume large amounts of vegetation, gorillas play an important role in their ecosystems. They can influence plant growth and contribute to seed dispersal through their feeding activities.
Cross River Gorillas
The Cross River gorilla is the rarest of the four gorilla subspecies.
Its scientific name is Gorilla gorilla diehli.
Cross River gorillas are found along the border between Nigeria and Cameroon, particularly in forested mountainous areas.
Their geographic range is extremely limited, which makes conservation particularly challenging.
The Cross River gorilla is especially vulnerable because its population is divided into small groups separated by human settlements, roads, farms, and other development.
Why Are Cross River Gorillas So Important?
The Cross River gorilla represents one of Africa’s most important conservation priorities.
Because only a relatively small number remain, protecting every population and maintaining connections between suitable forest habitats is extremely important.
Conservation organizations work with local communities to protect forest areas, reduce illegal hunting, monitor gorilla populations, and improve awareness about the importance of the species.
Unlike mountain gorillas, Cross River gorillas are not currently part of the same established tourist trekking system found in Uganda and Rwanda.
Their rarity and difficult-to-access habitat mean that conservation, rather than conventional tourism, remains the primary focus.
What Is the Difference Between Mountain Gorillas and Lowland Gorillas?
One of the most common questions from travelers is how mountain gorillas differ from lowland gorillas.
The most obvious difference is habitat.
Mountain gorillas live in high-altitude forests, while lowland gorillas live in tropical lowland forests.
Their physical appearance also differs. Mountain gorillas generally have thicker, darker fur, an adaptation associated with their cooler mountain environment.
Eastern lowland gorillas are particularly large-bodied and powerful.
Western lowland gorillas are generally smaller than eastern lowland gorillas and may have lighter coloration.
Their diets also vary according to habitat. Mountain gorillas consume large quantities of leaves, stems, shoots, and other vegetation because fruits are less abundant in their high-altitude environment. Western lowland gorillas have greater access to fruits and may include more fruit in their diet.
How Gorillas Communicate
One of the most fascinating things about gorillas is their communication.
They do not rely on a single form of communication. Instead, they use vocalizations, body movements, facial expressions, posture, touch, and other behaviors.
Gorillas can make a variety of sounds, including grunts, hoots, screams, and other vocalizations.
Chest beating is one of the behaviors most commonly associated with gorillas. A gorilla may beat its chest when displaying, communicating, responding to another gorilla, or attempting to intimidate a perceived threat.
However, chest beating does not automatically mean that a gorilla is preparing to attack.
Understanding gorilla behavior is one reason professional guides and trackers are so important during trekking experiences.
Gorilla Families and Silverbacks
Gorilla families are built around strong social relationships.
A dominant silverback generally provides leadership and protection, although groups can sometimes contain multiple adult males.
Females may move between groups, and young males can eventually leave their birth groups as they mature.
The silverback’s responsibilities include protecting the group, managing conflicts, responding to threats, and influencing where the family travels.
During a gorilla trek, visitors may see these relationships unfolding naturally.
A silverback may sit quietly while young gorillas play around him. Mothers may groom their babies, while other adults feed nearby.
These everyday interactions provide a fascinating window into gorilla society.
Why Gorillas Are Important to Africa’s Forests
Gorillas are not important only because tourists enjoy seeing them.
They are part of complex forest ecosystems.
As gorillas move through forests and feed on vegetation and fruits, they influence plant communities and contribute to seed dispersal.
Protecting gorilla habitat therefore protects many other species that share the same forests.
This is one reason gorilla conservation has benefits far beyond gorillas themselves.
When a forest is protected for gorillas, it can also provide habitat for birds, elephants, chimpanzees, monkeys, insects, reptiles, and countless plant species.
Gorilla Conservation and Tourism
Gorilla tourism has become an important component of conservation in countries such as Uganda and Rwanda.
Gorilla trekking permits provide revenue that supports protected-area management and conservation activities. Tourism also creates employment for guides, trackers, rangers, porters, drivers, accommodation providers, restaurant workers, and other local businesses.
Communities surrounding gorilla habitats can benefit from tourism-related employment and economic opportunities.
This relationship creates an important conservation incentive. When communities see tangible benefits from protecting wildlife, conservation can become more economically sustainable.
Responsible tourism is therefore important.
Visitors should follow park rules, maintain the required distance from gorillas, avoid disturbing them, and respect instructions from guides and trackers.
Why Gorilla Trekking Is Such a Special Experience
Among Africa’s many wildlife experiences, gorilla trekking is unique because it provides an unusually intimate encounter with a great ape.
A traditional safari often involves watching animals from a vehicle across an open savannah. Gorilla trekking is different because visitors walk through the forest to find a gorilla family.
The experience begins with uncertainty. You do not know exactly how long the trek will take or where the gorillas will be.
You may walk through thick vegetation and steep terrain before suddenly finding yourself standing near a family of mountain gorillas.
The first sight of a silverback can be particularly impressive.
The animal may appear enormous and powerful, yet it may simply sit peacefully, feed, groom itself, or watch the group.
Young gorillas may provide another unforgettable highlight. Their curiosity and playful behavior can make the encounter especially entertaining.
Protecting the Future of Gorillas
The future of gorillas depends on continued conservation.
Protecting their habitats is one of the most important priorities. Forests must remain intact so that gorillas have sufficient food, shelter, and space to move.
Anti-poaching programs are also important, particularly in areas where hunting remains a threat.
Disease prevention is another concern because gorillas are genetically close to humans and can potentially be affected by certain human illnesses.
Responsible tourism can contribute to conservation, but it must be carefully managed to prevent excessive disturbance.
Local communities must also remain involved because many gorilla habitats are surrounded by areas where people depend on land and natural resources for their livelihoods.
Long-term conservation will therefore require a balance between wildlife protection and human development.
There are four recognized subspecies of gorillas, divided between two species: the Eastern Gorilla and the Western Gorilla. The four subspecies are the mountain gorilla, eastern lowland gorilla, western lowland gorilla, and Cross River gorilla.
Each type has its own unique story.
The mountain gorilla is famous for its high-altitude habitat and unforgettable trekking experiences in Uganda, Rwanda, and the Democratic Republic of Congo. The eastern lowland gorilla is the largest gorilla subspecies and survives in the forests of eastern Congo. The western lowland gorilla occupies a much wider range of Central Africa, while the rare Cross River gorilla survives in a small region between Nigeria and Cameroon.
Despite these differences, all gorillas share a remarkable combination of intelligence, strength, social behavior, and emotional complexity.
For travelers, learning about these differences can make a gorilla trekking experience even more meaningful. When you enter the forest in search of mountain gorillas, you are not simply looking for a large wild animal. You are entering the habitat of a highly social great ape whose survival is closely connected to the protection of Africa’s forests.
Gorilla trekking in Uganda and Rwanda provides travelers with the rare opportunity to witness these incredible animals in their natural environment while contributing to the wider tourism and conservation system that helps protect them.
The future of gorillas depends on continued protection of their forests, responsible tourism, scientific research, community involvement, and international conservation efforts. By understanding the different types of gorillas and the challenges they face, travelers can appreciate why every encounter with these remarkable animals is so valuable.
Whether your dream is to trek through Bwindi’s ancient forest in search of a mountain gorilla family, explore the volcanic landscapes of Rwanda, or simply learn more about Africa’s great apes, gorillas remain among the continent’s most extraordinary wildlife treasures.