Brown Slender Toad vs Eurasian beaver

Ansonia leptopus compared with Castor fiber

Key Differences

• Brown Slender Toad is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

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

Evolutionary Relationship

Brown Slender Toad and Eurasian beaver share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Brown Slender Toad

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Brown Slender Toad	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Slender Toad

Habitat

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

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.

Brown Slender Toad

The Brown Slender Toad (Ansonia leptopus) is a species in the genus Ansonia. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

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。