Eurasian beaver vs Hamlyn's bull-ray

Castor fiber compared with Myliobatis hamlyni

Key Differences

• Eurasian beaver is Vulnerable while Hamlyn's bull-ray is Near Threatened.

Taxonomic Classification

Rank	Eurasian beaver	Hamlyn's bull-ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Castoridae (Beavers)	Myliobatidae
Genus	Castor (Beavers)	Myliobatis
Species	Castor fiber	Myliobatis hamlyni

Evolutionary Relationship

Eurasian beaver and Hamlyn's bull-ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian beaver

VU — Vulnerable

Hamlyn's bull-ray

NT — Near Threatened

Physical Characteristics

Attribute	Eurasian beaver	Hamlyn's bull-ray
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.

Hamlyn's bull-ray

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.