Gorille de l'Ouest vs tiny risso snail

Gorilla gorilla compared with Rissoa parva

Key Differences

• Gorille de l'Ouest is Critically Endangered while tiny risso snail is Least Concern.

Taxonomic Classification

Rank	Gorille de l'Ouest	tiny risso snail
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Chordata (Chordates)	Mollusca (mollusques)
Class	Mammalia (mammifères)	Gastropoda (Gastropoda)
Order	Primates (Primates)	Littorinimorpha (Littorinimorpha)
Family	Hominidae (Great Apes)	Rissoidae
Genus	Gorilla (Gorillas)	Rissoa
Species	Gorilla gorilla	Rissoa parva

Evolutionary Relationship

Gorille de l'Ouest and tiny risso snail share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

Gorille de l'Ouest

CR — Critically Endangered

Population: ~100.0K

Trend: Decreasing ↓

tiny risso snail

LC — Least Concern

Physical Characteristics

Attribute	Gorille de l'Ouest	tiny risso snail
Diet	Herbivore	—
Average Lifespan	40 years	—
Average Length	1.7 m	—
Average Weight	160.0 kg	—

Habitat & Geographic Range

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.

tiny risso snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.