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  3. Western Gorilla

One of the 2 gorillas on WAnimals

Western Gorilla (Gorilla gorilla)

Mammals · Primates · Hominidae

Western Gorilla

Gorilla gorilla

Critically Endangered

At extremely high risk of imminent extinction in the wild.

Spotted something wrong?

It shares close to 98% of its DNA with humans. Adult males develop the silver back that gives them their name at around 10 to 12 years old, a sign of maturity and of leadership of the family group.

Weight

68 kg – 272 kg

Size

1.4 m – 1.8 m

Life expectancy

35 years

Diet

Frugivore

Feeds mainly on fruit.

Activity

Diurnal

Active mainly during the day.

Social structure

Family group

Lives in small family groups with close bonds.

Sighting difficulty

Very hard

Rainforest
21countries13parks7same family1featured routes

AI-generated images: illustrations, not photographs.

Fun facts

  • It shares close to 98% of its DNA with humans.
  • Dominant males grow silver hair across the back, which is where the name "silverback" comes from.
  • Its diet is as much as 67% fruit, supplemented with leaves, stems and insects.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (mammal)
Habitat and environment
Lowland tropical rainforest and swampy clearings ("bais") of Central Africa
Birth weight
1.8-2.3 kg (4-5 lb)
Size at birth
All but helpless at birth, clinging to its mother's fur; crawling at 9 weeks
Sexual maturity
Female: 7-10 years (a first birth usually at 10-11) | Male: physiologically mature at 8-12 years, though he usually breeds after 15
Gestation / incubation
8.5 months (250-290 days)
Litter / clutch size
1 young (twins rare); 4 years between births
Life expectancy in captivity
40-60 years in captivity

Sources consulted: Los Angeles Zoo; Denver Zoo Conservation Alliance; A-Z Animals; Animal Diversity Web; IFAW; Study.com; Louisville Zoo

Where to find it

Loading map…

The pins mark the parks where its presence is documented.

Where to see it

Parks and dive sites where this species has been documented — showing 10 of 13.

Related species

Other species in the catalogue with the most in common with Western Gorilla — same habitat, park, country, tags or family.

Same taxonomic family
Same taxonomic family
Shares a park
Shares a park
Same taxonomic family
Shares a park

How to help

The western gorilla is classified as critically endangered. Organisations such as the IUCN, WWF and the Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programmes is a good starting point if you want to get involved.

It's documented in 7 protected areas — one reason why protecting these places matters for its conservation.

Keep exploring

Based on what we already know about western gorilla.

Comments

Share an experience, a fun fact or a tip for seeing the western gorilla.

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See full glossary
This page in other languages: Español · Deutsch · Français · Português · Italiano
See its range on the interactive map→
Dzanga-SanghaCentral African Republic
Odzala-KokouaRepublic of the Congo
DjaCameroon
Loango National ParkGabon
Monte Alén National ParkEquatorial Guinea
KorupCameroon
IvindoGabon
LopeGabon
Nouabale-NdokiRepublic of the Congo
Campo Ma'anCameroon
See all 13 parks
ChimpanzeeEndangered

Chimpanzee

Pan troglodytes

Eastern GorillaCritically Endangered

Eastern Gorilla

Gorilla beringei

African Forest ElephantCritically Endangered

African Forest Elephant

Loxodonta cyclotis

Critically Endangered

Preuss's Red Colobus

Piliocolobus preussi

Endangered

Bonobo

Pan paniscus

Least Concern

Forest Hog

Hylochoerus meinertzhageni

CountriesCameroon
ParksDzanga-SanghaCentral African Republic
TagsFrugivore
Frugivore
Diurnal
Family group
Critically Endangered
Rainforest
Mammal
Cameroon
Gabon
Central African Republic
Republic of the Congo
Equatorial Guinea
Nigeria
Angola
Benin
Burundi
Cameroon
Central African Republic
Côte d’Ivoire
Democratic Republic of the Congo
Equatorial Guinea
Gabon
Gambia
Ghana
Guinea
Guinea-Bissau
Liberia
Nigeria
Republic of the Congo
Rwanda
Sierra Leone
South Sudan
Togo
Uganda