Sterne pierregarin vs Gorille de l'Ouest

Sterna hirundo compared with Gorilla gorilla

Key Differences

• Sterne pierregarin is Endangered while Gorille de l'Ouest is Critically Endangered.

Taxonomic Classification

Rank	Sterne pierregarin	Gorille de l'Ouest
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (oiseau)	Mammalia (mammifères)
Order	Charadriiformes (Charadriiformes)	Primates (Primates)
Family	Laridae	Hominidae (Great Apes)
Genus	Sterna	Gorilla (Gorillas)
Species	Sterna hirundo	Gorilla gorilla

Evolutionary Relationship

Sterne pierregarin and Gorille de l'Ouest share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Sterne pierregarin

EN — Endangered

Gorille de l'Ouest

CR — Critically Endangered

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Sterne pierregarin

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Sterne pierregarin

Common Tern (Sterna hirundo) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

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.