Eurasian beaver vs Pacific white-sided dolphin

Castor fiber compared with Lagenorhynchus obliquidens

Key Differences

• Eurasian beaver is Vulnerable while Pacific white-sided dolphin is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Pacific white-sided dolphin
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	Rodentia (Bộ Gặm nhấm)	Cetacea (Whales & Dolphins)
Family	Castoridae (Beavers)	Delphinidae (Oceanic Dolphins)
Genus	Castor (Beavers)	Lagenorhynchus
Species	Castor fiber	Lagenorhynchus obliquidens

Evolutionary Relationship

Eurasian beaver and Pacific white-sided dolphin share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

Eurasian beaver

VU — Vulnerable

Pacific white-sided dolphin

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Pacific white-sided dolphin
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.

Pacific white-sided dolphin

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.