Dark Roller vs Eurasian beaver

Ancylis upupana compared with Castor fiber

Key Differences

• Dark Roller is Near Threatened while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Dark Roller	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	Lepidoptera (チョウ目)	Rodentia (ネズミ目)
Family	Tortricidae	Castoridae (Beavers)
Genus	Ancylis	Castor (Beavers)
Species	Ancylis upupana	Castor fiber

Evolutionary Relationship

Dark Roller and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Dark Roller

NT — Near Threatened

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Dark Roller	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dark Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden