Brown Diving Beetle vs Eurasian beaver

Agabus brunneus compared with Castor fiber

Key Differences

• Brown Diving Beetle is Extinct while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Brown Diving 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	Dytiscidae	Castoridae (Beavers)
Genus	Agabus	Castor (Beavers)
Species	Agabus brunneus	Castor fiber

Evolutionary Relationship

Brown Diving Beetle and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Brown Diving Beetle

EX — Extinct

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Brown Diving Beetle	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

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.

Brown Diving Beetle

The Brown Diving Beetle (Agabus brunneus) is a species in the genus Agabus. It is currently classified as Extinct on the IUCN Red List. 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 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden