Eurasian beaver vs Kai stingaree

Castor fiber compared with Urolophus kaianus

Key Differences

• Eurasian beaver is Vulnerable while Kai stingaree is Data Deficient.

Taxonomic Classification

Rank	Eurasian beaver	Kai stingaree
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)	Elasmobranchii
Order	Rodentia (ネズミ目)	Myliobatiformes (トビエイ目)
Family	Castoridae (Beavers)	Urolophidae
Genus	Castor (Beavers)	Urolophus
Species	Castor fiber	Urolophus kaianus

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Kai stingaree

DD — Data Deficient

Physical Characteristics

Attribute	Eurasian beaver	Kai stingaree
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.

Kai stingaree

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。