Eurasian beaver vs Guiana Dolphin

Castor fiber compared with Sotalia guianensis

Key Differences

• Eurasian beaver is Vulnerable while Guiana Dolphin is Data Deficient.

Taxonomic Classification

Rank	Eurasian beaver	Guiana 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)	Sotalia
Species	Castor fiber	Sotalia guianensis

Evolutionary Relationship

Eurasian beaver and Guiana Dolphin share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

Eurasian beaver

VU — Vulnerable

Guiana Dolphin

DD — Data Deficient

Physical Characteristics

Attribute	Eurasian beaver	Guiana 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.

Guiana Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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.