Eurasian beaver vs Smith's False Brook Salamander

Castor fiber compared with Pseudoeurycea smithi

Key Differences

• Eurasian beaver is Vulnerable while Smith's False Brook Salamander is Critically Endangered.

Taxonomic Classification

Rank	Eurasian beaver	Smith's False Brook Salamander
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)	Caudata (有尾目)
Family	Castoridae (Beavers)	Plethodontidae
Genus	Castor (Beavers)	Pseudoeurycea
Species	Castor fiber	Pseudoeurycea smithi

Evolutionary Relationship

Eurasian beaver and Smith's False Brook Salamander share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Eurasian beaver

VU — Vulnerable

Smith's False Brook Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Eurasian beaver	Smith's False Brook Salamander
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.

Smith's False Brook Salamander

Habitat

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

Range

Found in Mexico. Currently classified as Critically Endangered 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。