Eurasian beaver vs Lake Baikal Mountain Vole

Castor fiber compared with Alticola olchonensis

Key Differences

• Eurasian beaver is Vulnerable while Lake Baikal Mountain Vole is Endangered.

Taxonomic Classification

Rank	Eurasian beaver	Lake Baikal Mountain Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Castoridae (Beavers)	Cricetidae
Genus	Castor (Beavers)	Alticola
Species	Castor fiber	Alticola olchonensis

Evolutionary Relationship

Eurasian beaver and Lake Baikal Mountain Vole share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Eurasian beaver

VU — Vulnerable

Lake Baikal Mountain Vole

EN — Endangered

Physical Characteristics

Attribute	Eurasian beaver	Lake Baikal Mountain Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Lake Baikal Mountain Vole

Habitat

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.