Eurasian beaver vs Western midget

Castor fiber compared with Phyllonorycter muelleriella

Key Differences

• Eurasian beaver is Vulnerable while Western midget is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Western midget
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Castoridae (Beavers)	Gracillariidae
Genus	Castor (Beavers)	Phyllonorycter
Species	Castor fiber	Phyllonorycter muelleriella

Evolutionary Relationship

Eurasian beaver and Western midget share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Western midget

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Western midget
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.

Western midget

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Russia.

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 2 countries:

🇧🇪 Belgium 🇷🇺 Russia