Brown eagle-ray vs Eurasian beaver

Aetomylaeus milvus compared with Castor fiber

Key Differences

• Brown eagle-ray is Endangered while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Brown eagle-ray	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	Myliobatidae	Castoridae (Beavers)
Genus	Aetomylaeus	Castor (Beavers)
Species	Aetomylaeus milvus	Castor fiber

Evolutionary Relationship

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

Conservation Status

Brown eagle-ray

EN — Endangered

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Brown eagle-ray	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown eagle-ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Brown eagle-ray

The Brown Eagle-ray (Aetomylaeus milvus) is a species in the genus Aetomylaeus. It is currently classified as Endangered on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

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。