Cercopithèque de Allen vs Gorille de l'Ouest

Allenopithecus nigroviridis compared with Gorilla gorilla

Key Differences

• Cercopithèque de Allen is Least Concern while Gorille de l'Ouest is Critically Endangered.

Taxonomic Classification

Rank	Cercopithèque de Allen	Gorille de l'Ouest
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order same	Primates (Primates)	Primates (Primates)
Family	Cercopithecidae (Old World Monkeys)	Hominidae (Great Apes)
Genus	Allenopithecus	Gorilla (Gorillas)
Species	Allenopithecus nigroviridis	Gorilla gorilla

Evolutionary Relationship

Cercopithèque de Allen and Gorille de l'Ouest share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

Cercopithèque de Allen

LC — Least Concern

Gorille de l'Ouest

CR — Critically Endangered

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Cercopithèque de Allen	Gorille de l'Ouest
Diet	—	Herbivore
Average Lifespan	—	40 years
Average Length	—	1.7 m
Average Weight	—	160.0 kg

Habitat & Geographic Range

Cercopithèque de Allen

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Gorille de l'Ouest

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 4 distinct biome types within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Cameroon, Congo (Republic), Equatorial Guinea, and Gabon. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Cercopithèque de Allen

The Allen s Swamp Monkey (Allenopithecus nigroviridis) is a species in the genus Allenopithecus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Gorille de l'Ouest

The world's largest primate, western gorillas weigh up to 180 kg and inhabit the tropical and subtropical forests of equatorial Africa. Primarily herbivorous, living in family groups led by a silverback male who protects the troop and mediates social conflicts. Critically Endangered, with populations threatened by deforestation, poaching for bushmeat, and outbreaks of Ebola virus disease.