Eurasian beaver vs Round-headed borer

Castor fiber compared with Saperda candida

Key Differences

• Eurasian beaver is Vulnerable while Round-headed borer is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Round-headed borer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Coleoptera (Beetles)
Family	Castoridae (Beavers)	Cerambycidae
Genus	Castor (Beavers)	Saperda
Species	Castor fiber	Saperda candida

Evolutionary Relationship

Eurasian beaver and Round-headed borer share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Round-headed borer

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Round-headed borer
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.

Round-headed borer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada, Denmark, Germany, Sweden, 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.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇸🇪 Sweden