Eurasian beaver vs Tunicate

Castor fiber compared with Ascidia zara

Key Differences

• Eurasian beaver is Vulnerable while Tunicate is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Tunicate
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Ascidiacea (Ascidiacea)
Order	Rodentia (Rodents)	Phlebobranchia
Family	Castoridae (Beavers)	Ascidiidae
Genus	Castor (Beavers)	Ascidia
Species	Castor fiber	Ascidia zara

Evolutionary Relationship

Eurasian beaver and Tunicate share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian beaver

VU — Vulnerable

Tunicate

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Tunicate
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.

Tunicate

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Mexico and United States.

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.