Eurasian beaver vs Spinner Dolphin

Castor fiber compared with Stenella longirostris

Key Differences

• Eurasian beaver is Vulnerable while Spinner Dolphin is Data Deficient.

Taxonomic Classification

Rank	Eurasian beaver	Spinner Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Cetacea (Whales & Dolphins)
Family	Castoridae (Beavers)	Delphinidae (Oceanic Dolphins)
Genus	Castor (Beavers)	Stenella
Species	Castor fiber	Stenella longirostris

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Spinner Dolphin

DD — Data Deficient

Physical Characteristics

Attribute	Eurasian beaver	Spinner Dolphin
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.

Spinner Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Norway, Taiwan, and Venezuela.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway