Epaulard vs Rough-Legged Buzzard

Orcinus orca compared with Buteo lagopus

Key Differences

• Epaulard is Data Deficient while Rough-Legged Buzzard is Near Threatened.

Taxonomic Classification

Rank	Epaulard	Rough-Legged Buzzard
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Accipitriformes (Hawks & Eagles)
Family	Delphinidae (Oceanic Dolphins)	Accipitridae (Hawks & Eagles)
Genus	Orcinus (Orcas)	Buteo
Species	Orcinus orca	Buteo lagopus

Evolutionary Relationship

Epaulard and Rough-Legged Buzzard share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Epaulard

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Rough-Legged Buzzard

NT — Near Threatened

Physical Characteristics

Attribute	Epaulard	Rough-Legged Buzzard
Diet	Carnivore	—
Average Lifespan	50 years	—
Average Length	8.0 m	—
Average Weight	5.4 t	—

Habitat & Geographic Range

Epaulard

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

Rough-Legged Buzzard

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Epaulard

The largest member of the dolphin family, orcas reach up to 9 meters and 6 tonnes and are found in every ocean from Arctic to Antarctic. Apex predators living in matrilineal pods with distinct dialects, hunting strategies, and cultural traditions that differ between populations. Some populations specialize in fish, others in marine mammals. No natural predators; orcas sit at the top of every marine food chain they inhabit.

Rough-Legged Buzzard

Rough-Legged Buzzard (Buteo lagopus) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden