hibou grand-duc vs Gorille de l'Ouest

Bubo bubo compared with Gorilla gorilla

Key Differences

• hibou grand-duc is Endangered while Gorille de l'Ouest is Critically Endangered.
• hibou grand-duc is carnivore while Gorille de l'Ouest is herbivore.
• Gorille de l'Ouest is 53.3x heavier than hibou grand-duc.
• Gorille de l'Ouest lives longer (40 years vs 20 years).

Taxonomic Classification

Rank	hibou grand-duc	Gorille de l'Ouest
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (oiseau)	Mammalia (mammifères)
Order	Strigiformes (Owls)	Primates (Primates)
Family	Strigidae (True Owls)	Hominidae (Great Apes)
Genus	Bubo (Eagle Owls)	Gorilla (Gorillas)
Species	Bubo bubo	Gorilla gorilla

Evolutionary Relationship

hibou grand-duc and Gorille de l'Ouest share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

hibou grand-duc

EN — Endangered

Population: ~400.0K

Trend: Stable →

Gorille de l'Ouest

CR — Critically Endangered

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	hibou grand-duc	Gorille de l'Ouest
Diet	Carnivore	Herbivore
Average Lifespan	20 years	40 years
Average Length	70 cm	1.7 m
Average Weight	3.0 kg	160.0 kg

Habitat & Geographic Range

hibou grand-duc

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Found across Europe (9 countries) and South America (Ecuador). 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.

hibou grand-duc

The world's largest owl species by height and weight, Eurasian eagle-owls have wingspans up to 1.9 meters and inhabit rocky landscapes, forest edges, and cliffs from Europe across Asia to China. Silent nocturnal hunters with powerful talons, they prey on rabbits, hares, foxes, and even other raptors. Their deep, resonant hooting carries over great distances. Relatively stable in population, though persecuted historically.

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.