Pygargue à tête blanche vs American bison

Haliaeetus leucocephalus compared with Bison bison

Taxonomic Classification

Rank	Pygargue à tête blanche	American bison
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (oiseau)	Mammalia (mammifères)
Order	Accipitriformes (Hawks & Eagles)	Artiodactyla (Even-toed Ungulates)
Family	Accipitridae (Hawks & Eagles)	Bovidae (Bovids)
Genus	Haliaeetus (Sea Eagles)	Bison
Species	Haliaeetus leucocephalus	Bison bison

Evolutionary Relationship

Pygargue à tête blanche and American bison share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Pygargue à tête blanche

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

American bison

NE — Not Evaluated

Physical Characteristics

Attribute	Pygargue à tête blanche	American bison
Diet	Carnivore	—
Average Lifespan	28 years	—
Average Length	90 cm	—
Average Weight	5.0 kg	—

Habitat & Geographic Range

Pygargue à tête blanche

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 10 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 (8 countries), North America (United States), and South America (Ecuador).

American bison

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia).

Pygargue à tête blanche

The national bird of the United States and a symbol of American conservation success, bald eagles have a wingspan of up to 2.4 meters and inhabit forests and wetlands near open water across North America. Powerful aerial predators and scavengers, they specialize in fish but also take waterfowl and carrion. Nearly extinct by the 1960s due to DDT poisoning and hunting, the bald eagle recovered dramatically following pesticide bans and the Endangered Species Act.

American bison

The American bison (Bison bison) is a species in the genus Bison. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 4 countries:

🇳🇴 Norway 🇵🇱 Poland 🇸🇪 Sweden 🇺🇸 United States