Eurasian beaver vs Fen Flat-body

Castor fiber compared with Depressaria ultimella

Key Differences

• Eurasian beaver is Vulnerable while Fen Flat-body is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Fen Flat-body
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)	Depressariidae
Genus	Castor (Beavers)	Depressaria
Species	Castor fiber	Depressaria ultimella

Evolutionary Relationship

Eurasian beaver and Fen Flat-body share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Fen Flat-body

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Fen Flat-body
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.

Fen Flat-body

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Portugal, 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 🇵🇹 Portugal 🇸🇪 Sweden