Eurasian beaver vs Lesser Cachalot

Castor fiber compared with Kogia breviceps

Key Differences

• Eurasian beaver is Vulnerable while Lesser Cachalot is Data Deficient.

Taxonomic Classification

Rank	Eurasian beaver	Lesser Cachalot
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)	Kogiidae
Genus	Castor (Beavers)	Kogia
Species	Castor fiber	Kogia breviceps

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Lesser Cachalot

DD — Data Deficient

Physical Characteristics

Attribute	Eurasian beaver	Lesser Cachalot
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.

Lesser Cachalot

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Portugal, Sweden, and 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.

Shared Countries

Both species can be found in 2 countries:

🇵🇹 Portugal 🇸🇪 Sweden