Eurasian beaver vs Gulf of California Harbor Porpoise

Castor fiber compared with Phocoena sinus

Key Differences

• Eurasian beaver is Vulnerable while Gulf of California Harbor Porpoise is Critically Endangered.

Taxonomic Classification

Rank	Eurasian beaver	Gulf of California Harbor Porpoise
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)	Phocoenidae
Genus	Castor (Beavers)	Phocoena
Species	Castor fiber	Phocoena sinus

Evolutionary Relationship

Eurasian beaver and Gulf of California Harbor Porpoise share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Gulf of California Harbor Porpoise

CR — Critically Endangered

Physical Characteristics

Attribute	Eurasian beaver	Gulf of California Harbor Porpoise
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.

Gulf of California Harbor Porpoise

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.