Eurasian beaver vs Keeled slug

Castor fiber compared with Tandonia kusceri

Key Differences

• Eurasian beaver is Vulnerable while Keeled slug is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Keeled slug
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Rodentia (Rodents)	Stylommatophora (Stylommatophora)
Family	Castoridae (Beavers)	Milacidae
Genus	Castor (Beavers)	Tandonia
Species	Castor fiber	Tandonia kusceri

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Keeled slug

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Keeled slug
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.

Keeled slug

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Greece, Moldova, Ukraine, and United States.

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.