Belted spider beetle vs Eurasian beaver

Ptinus bicinctus compared with Castor fiber

Key Differences

• Belted spider beetle is Not Evaluated while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Belted spider beetle	Eurasian beaver
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Arthropoda (節足動物)	Chordata (脊索動物)
Class	Insecta (昆虫)	Mammalia (哺乳類)
Order	Coleoptera (コウチュウ目)	Rodentia (ネズミ目)
Family	Ptinidae	Castoridae (Beavers)
Genus	Ptinus	Castor (Beavers)
Species	Ptinus bicinctus	Castor fiber

Evolutionary Relationship

Belted spider beetle and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Belted spider beetle

NE — Not Evaluated

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Belted spider beetle	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Belted spider beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (26 countries) and North America (Canada, United States).

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.

Belted spider beetle

The Belted spider beetle (Ptinus bicinctus) is a species in the genus Ptinus. Typically found in virtually all terrestrial and freshwater habitats.

Eurasian beaver

ユーラシアビーバー（Castor fiber）はIUCNレッドリストで絶滅危惧II類（VU）に分類されています。個体群の減少と生息地への圧力の増大により、野生での絶滅危険度が高い状況に直面しています。

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden