Eurasian beaver vs Masked Mouse-tailed Dormouse

Castor fiber compared with Myomimus personatus

Key Differences

• Eurasian beaver is Vulnerable while Masked Mouse-tailed Dormouse is Data Deficient.

Taxonomic Classification

Rank	Eurasian beaver	Masked Mouse-tailed Dormouse
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)	Gliridae
Genus	Castor (Beavers)	Myomimus
Species	Castor fiber	Myomimus personatus

Evolutionary Relationship

Eurasian beaver and Masked Mouse-tailed Dormouse share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Eurasian beaver

VU — Vulnerable

Masked Mouse-tailed Dormouse

DD — Data Deficient

Physical Characteristics

Attribute	Eurasian beaver	Masked Mouse-tailed Dormouse
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.

Masked Mouse-tailed Dormouse

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.