Eurasian beaver vs Simon s Spiny-rat

Castor fiber compared with Proechimys simonsi

Key Differences

• Eurasian beaver is Vulnerable while Simon s Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Simon s Spiny-rat
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Mammalia (млекопитающие)	Mammalia (млекопитающие)
Order same	Rodentia (грызуны)	Rodentia (грызуны)
Family	Castoridae (Beavers)	Echimyidae
Genus	Castor (Beavers)	Proechimys
Species	Castor fiber	Proechimys simonsi

Evolutionary Relationship

Eurasian beaver and Simon s Spiny-rat share a common ancestor at the Order level: Rodentia. (грызуны)

Conservation Status

Eurasian beaver

VU — Vulnerable

Simon s Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Simon s Spiny-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.

Simon s Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.