Eurasian beaver vs Fat Sand Rat

Castor fiber compared with Psammomys obesus

Key Differences

• Eurasian beaver is Vulnerable while Fat Sand Rat is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Fat Sand Rat
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 same	Rodentia (Bộ Gặm nhấm)	Rodentia (Bộ Gặm nhấm)
Family	Castoridae (Beavers)	Muridae (Mice & Rats)
Genus	Castor (Beavers)	Psammomys
Species	Castor fiber	Psammomys obesus

Evolutionary Relationship

Eurasian beaver and Fat Sand Rat share a common ancestor at the Order level: Rodentia. (Bộ Gặm nhấm)

Conservation Status

Eurasian beaver

VU — Vulnerable

Fat Sand Rat

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Fat Sand Rat
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.

Fat Sand Rat

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.