Eurasian beaver vs Hourglass Dolphin

Castor fiber compared with Lagenorhynchus cruciger

Key Differences

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

Taxonomic Classification

Rank	Eurasian beaver	Hourglass Dolphin
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Mammalia (млекопитающие)	Mammalia (млекопитающие)
Order	Rodentia (грызуны)	Cetacea (Whales & Dolphins)
Family	Castoridae (Beavers)	Delphinidae (Oceanic Dolphins)
Genus	Castor (Beavers)	Lagenorhynchus
Species	Castor fiber	Lagenorhynchus cruciger

Evolutionary Relationship

Eurasian beaver and Hourglass Dolphin share a common ancestor at the Class level: Mammalia. (млекопитающие)

Conservation Status

Eurasian beaver

VU — Vulnerable

Hourglass Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Hourglass 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.

Hourglass 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.