Blainville’s Beaked Whale vs Eurasian beaver

Mesoplodon densirostris compared with Castor fiber

Key Differences

• Blainville’s Beaked Whale is Data Deficient while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Blainville’s Beaked Whale	Eurasian beaver
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order	Cetacea (Whales & Dolphins)	Rodentia (Bộ Gặm nhấm)
Family	Hyperoodontidae	Castoridae (Beavers)
Genus	Mesoplodon	Castor (Beavers)
Species	Mesoplodon densirostris	Castor fiber

Evolutionary Relationship

Blainville’s Beaked Whale and Eurasian beaver share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

Blainville’s Beaked Whale

DD — Data Deficient

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Blainville’s Beaked Whale	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blainville’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

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.

Blainville’s Beaked Whale

The Blainville’s Beaked Whale (Mesoplodon densirostris) is a species in the genus Mesoplodon. It is currently classified as Data Deficient on the IUCN Red List. 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.

Shared Countries

Both species can be found in 2 countries:

🇵🇹 Portugal 🇸🇪 Sweden