Eurasian beaver vs Four-barred Major

Castor fiber compared with Oxycera rara

Key Differences

• Eurasian beaver is Vulnerable while Four-barred Major is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Four-barred Major
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Diptera (Diptera)
Family	Castoridae (Beavers)	Stratiomyidae
Genus	Castor (Beavers)	Oxycera
Species	Castor fiber	Oxycera rara

Evolutionary Relationship

Eurasian beaver and Four-barred Major share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Four-barred Major

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Four-barred Major
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.

Four-barred Major

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Denmark.

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 🇩🇰 Denmark