Eurasian beaver vs Mongolian Vole

Castor fiber compared with Microtus mongolicus

Key Differences

• Eurasian beaver is Vulnerable while Mongolian Vole is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Mongolian 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)	Microtus
Species	Castor fiber	Microtus mongolicus

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Mongolian Vole

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Mongolian 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.

Mongolian 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.