Eurasian beaver vs western toad

Castor fiber compared with Anaxyrus boreas

Key Differences

• Eurasian beaver is Vulnerable while western toad is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	western toad
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Amphibia (両生類)
Order	Rodentia (ネズミ目)	Anura (カエル)
Family	Castoridae (Beavers)	Bufonidae
Genus	Castor (Beavers)	Anaxyrus
Species	Castor fiber	Anaxyrus boreas

Evolutionary Relationship

Eurasian beaver and western toad share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Eurasian beaver

VU — Vulnerable

western toad

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	western toad
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.

western toad

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico.

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。