Dusky Dolphin vs Eurasian beaver

Lagenorhynchus obscurus compared with Castor fiber

Key Differences

• Dusky Dolphin is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Dusky Dolphin	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	Delphinidae (Oceanic Dolphins)	Castoridae (Beavers)
Genus	Lagenorhynchus	Castor (Beavers)
Species	Lagenorhynchus obscurus	Castor fiber

Evolutionary Relationship

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

Conservation Status

Dusky Dolphin

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Dusky Dolphin	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

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。