Eurasian beaver vs Spring Ringlet

Castor fiber compared with Erebia epistygne

Key Differences

• Eurasian beaver is Vulnerable while Spring Ringlet is Near Threatened.

Taxonomic Classification

Rank	Eurasian beaver	Spring Ringlet
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Mammalia (哺乳類)	Insecta (昆虫)
Order	Rodentia (ネズミ目)	Lepidoptera (チョウ目)
Family	Castoridae (Beavers)	Nymphalidae (Brush-footed Butterflies)
Genus	Castor (Beavers)	Erebia
Species	Castor fiber	Erebia epistygne

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Spring Ringlet

NT — Near Threatened

Physical Characteristics

Attribute	Eurasian beaver	Spring Ringlet
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.

Spring Ringlet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across France and Spain. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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。