Eurasian beaver vs Tree Worm

Castor fiber compared with Bimastos rubidus

Key Differences

• Eurasian beaver is Vulnerable while Tree Worm is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Tree Worm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Annelida (Segmented Worms)
Class	Mammalia (Mammals)	Clitellata (Clitellata)
Order	Rodentia (Rodents)	Crassiclitellata (Crassiclitellata)
Family	Castoridae (Beavers)	Lumbricidae
Genus	Castor (Beavers)	Bimastos
Species	Castor fiber	Bimastos rubidus

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Tree Worm

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Tree Worm
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.

Tree Worm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden