Eurasian beaver vs Gray Birch

Castor fiber compared with Betula alleghaniensis

Key Differences

• Eurasian beaver is Vulnerable while Gray Birch is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Gray Birch
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Chordata (脊索動物)	Magnoliophyta (被子植物門)
Class	Mammalia (哺乳類)	Magnoliopsida (モクレン綱)
Order	Rodentia (ネズミ目)	Fagales (ブナ目)
Family	Castoridae (Beavers)	Betulaceae
Genus	Castor (Beavers)	Betula
Species	Castor fiber	Betula alleghaniensis

Conservation Status

Eurasian beaver

VU — Vulnerable

Gray Birch

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Gray Birch
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.

Gray Birch

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada, Estonia, France, and United States.

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。