Eurasian Eagle-Owl vs Snowy Owl

Bubo bubo compared with Bubo scandiacus

Key Differences

• Eurasian Eagle-Owl is Endangered while Snowy Owl is Critically Endangered.

Taxonomic Classification

Rank	Eurasian Eagle-Owl	Snowy Owl
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Aves (chim)	Aves (chim)
Order same	Strigiformes (Bộ Cú)	Strigiformes (Bộ Cú)
Family same	Strigidae (True Owls)	Strigidae (True Owls)
Genus same	Bubo (Eagle Owls)	Bubo (Eagle Owls)
Species	Bubo bubo	Bubo scandiacus

Evolutionary Relationship

Eurasian Eagle-Owl and Snowy Owl share a common ancestor at the Genus level: Bubo. (Eagle Owls)

Conservation Status

Eurasian Eagle-Owl

EN — Endangered

Population: ~400.0K

Trend: Stable →

Snowy Owl

CR — Critically Endangered

Physical Characteristics

Attribute	Eurasian Eagle-Owl	Snowy Owl
Diet	Carnivore	—
Average Lifespan	20 years	—
Average Length	70 cm	—
Average Weight	3.0 kg	—

Habitat & Geographic Range

Eurasian Eagle-Owl

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.

Snowy Owl

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

Widely distributed across Europe (4 countries), North America (United States), and South America (Ecuador). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Eurasian Eagle-Owl

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.

Snowy Owl

Snowy Owl (Bubo scandiacus) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇪🇨 Ecuador 🇳🇴 Norway 🇸🇪 Sweden