Kobuha kujira vs Eurasian beaver

Mesoplodon densirostris compared with Castor fiber

Key Differences

• Kobuha kujira is Data Deficient while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Kobuha kujira	Eurasian beaver
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Cetacea (Whales & Dolphins)	Rodentia (ネズミ目)
Family	Hyperoodontidae	Castoridae (Beavers)
Genus	Mesoplodon	Castor (Beavers)
Species	Mesoplodon densirostris	Castor fiber

Evolutionary Relationship

Kobuha kujira and Eurasian beaver share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Kobuha kujira

DD — Data Deficient

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Kobuha kujira	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Kobuha kujira

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.

Kobuha kujira

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

ユーラシアビーバー（Castor fiber）はIUCNレッドリストで絶滅危惧II類（VU）に分類されています。個体群の減少と生息地への圧力の増大により、野生での絶滅危険度が高い状況に直面しています。

Shared Countries

Both species can be found in 2 countries:

🇵🇹 Portugal 🇸🇪 Sweden