Eurasian beaver vs Six-spotted spider beetle

Castor fiber compared with Ptinus sexpunctatus

Key Differences

• Eurasian beaver is Vulnerable while Six-spotted spider beetle is Endangered.

Taxonomic Classification

Rank	Eurasian beaver	Six-spotted spider beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Coleoptera (Beetles)
Family	Castoridae (Beavers)	Ptinidae
Genus	Castor (Beavers)	Ptinus
Species	Castor fiber	Ptinus sexpunctatus

Evolutionary Relationship

Eurasian beaver and Six-spotted spider beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Six-spotted spider beetle

EN — Endangered

Physical Characteristics

Attribute	Eurasian beaver	Six-spotted spider beetle
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.

Six-spotted spider beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (Canada, United States). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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