Broadbacked stingaree vs Eurasian beaver

Urolophus expansus compared with Castor fiber

Key Differences

• Broadbacked stingaree is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Broadbacked stingaree	Eurasian beaver
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Elasmobranchii	Mammalia (哺乳類)
Order	Myliobatiformes (トビエイ目)	Rodentia (ネズミ目)
Family	Urolophidae	Castoridae (Beavers)
Genus	Urolophus	Castor (Beavers)
Species	Urolophus expansus	Castor fiber

Evolutionary Relationship

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

Conservation Status

Broadbacked stingaree

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Broadbacked stingaree	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broadbacked stingaree

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.

Broadbacked stingaree

The Broadbacked stingaree (Urolophus expansus) is a species in the genus Urolophus. It is currently classified as Least Concern on the IUCN Red List.

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。