Eurasian beaver vs Formosan Serow

Castor fiber compared with Capricornis swinhoei

Key Differences

• Eurasian beaver is Vulnerable while Formosan Serow is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Formosan Serow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Artiodactyla (Even-toed Ungulates)
Family	Castoridae (Beavers)	Bovidae (Bovids)
Genus	Castor (Beavers)	Capricornis
Species	Castor fiber	Capricornis swinhoei

Evolutionary Relationship

Eurasian beaver and Formosan Serow share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Formosan Serow

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Formosan Serow
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.

Formosan Serow

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan.

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.