Arctic lemming vs Eurasian beaver

Dicrostonyx torquatus compared with Castor fiber

Key Differences

• Arctic lemming is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	Eurasian beaver
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	Cricetidae	Castoridae (Beavers)
Genus	Dicrostonyx	Castor (Beavers)
Species	Dicrostonyx torquatus	Castor fiber

Evolutionary Relationship

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

Conservation Status

Arctic lemming

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Arctic lemming	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Arctic lemming

The Arctic lemming (Dicrostonyx torquatus) is a species in the genus Dicrostonyx. It is currently classified as Least Concern on the IUCN Red List. 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.