American bison vs Eurasian beaver

Bison bison compared with Castor fiber

Key Differences

• American bison is Not Evaluated while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	American bison	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Artiodactyla (Even-toed Ungulates)	Rodentia (Rodents)
Family	Bovidae (Bovids)	Castoridae (Beavers)
Genus	Bison	Castor (Beavers)
Species	Bison bison	Castor fiber

Evolutionary Relationship

American bison and Eurasian beaver share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

American bison

NE — Not Evaluated

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	American bison	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

American bison

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

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden