Eurasian beaver vs Leach's bithynia

Castor fiber compared with Bithynia leachii

Key Differences

• Eurasian beaver is Vulnerable while Leach's bithynia is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Leach's bithynia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Rodentia (Rodents)	Littorinimorpha (Littorinimorpha)
Family	Castoridae (Beavers)	Bithyniidae
Genus	Castor (Beavers)	Bithynia
Species	Castor fiber	Bithynia leachii

Evolutionary Relationship

Eurasian beaver and Leach's bithynia share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Leach's bithynia

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Leach's bithynia
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.

Leach's bithynia

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United Kingdom.

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