Home Animalia Animalpedia Mammals Western gorilla

Photo — Stavenn — CC BY-SA 3.0 (Wikimedia Commons)
Mammal Tropical forest Africa

Western gorilla

Gorilla gorilla

The Western Gorilla is the largest living primate, an impressive great ape characterized by its massive build, exceptional strength, and remarkable intelligence. This herbivorous animal lives in structured social groups within the tropical forests of...

Critically endangered (CR)

IUCN Red List, most recent assessment.

Presentation

The Western Gorilla is the largest living primate, an impressive great ape characterized by its massive build, exceptional strength, and remarkable intelligence. This herbivorous animal lives in structured social groups within the tropical forests of West and Central Africa.

The Western Gorilla has a sturdy body covered in short, thick black hair, with very long and muscular arms. The adult male (silverback) is distinguished by grayish coloring on the back and hips. The face is hairless, with small ears, expressive eyes, and a wide nose with flattened nostrils.

Characteristics

ClassMammalia
OrderPrimates
Size1.4 – 1.8 m
Weight70 – 220 kg
Lifespan35 – 40 years (wild)
DietHerbivore
DomesticationWild

Indicative values: they vary by subspecies, sex and region.

Habitat and distribution

The Western Gorilla inhabits dense, humid tropical forests, primarily primary and secondary forests. It also frequents montane forests at moderate altitudes. These environments provide abundant food and dense vegetation essential for its survival.

Tropical forest

ContinentAfrica
Present in TunisiaNo

CURRENT RANGE

The Western Gorilla is endemic to West and Central Africa. Its range extends across several countries including Equatorial Guinea, Gabon, Cameroon, Republic of the Congo, and Central African Republic. Remaining populations are isolated and fragmented.

Behaviour

The Western Gorilla lives in hierarchical family groups led by a dominant male (silverback) who protects and organizes the group. Individuals are generally calm and peaceful, spending most of their time foraging and resting. They communicate through vocalizations, gestures, and facial expressions.

Reproduction

Female gorillas reach sexual maturity around 8-9 years of age, and males around 12-13 years. Gestation lasts approximately 8.5 months, and females typically give birth to a single infant. Young gorillas remain dependent on their mother for 3-4 years.

Peculiarities

The Western Gorilla possesses remarkable intelligence and learning capacity, comparable to human children. Each individual has a distinct personality and can create and use tools. The highly cohesive family structure and strong emotional bonds between individuals constitute remarkable social characteristics.

Threats and conservation

The Western Gorilla faces serious and multiple threats: massive destruction of forest habitat due to deforestation, poaching for bushmeat, illegal trade, and emerging diseases such as Ebola. Habitat fragmentation also limits reproduction and population expansion opportunities.

Numbers and trends vary across sources and regions. See the IUCN assessment for the latest reference data.

Gallery

1 documented photographs.

View the full gallery

References

UICN — Liste rouge des espèces menacées

Profile updated 08 August 2026 · Reviewed by the TunisieVet editorial team.

CONSERVATION STATUS

LC NT VU EN CR EW

Critically endangered (CR)

IUCN source, latest published assessment.

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