Eurasian beaver vs Guyenne Spiny-rat

Castor fiber compared with Proechimys guyannensis

Key Differences

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

Taxonomic Classification

Rank	Eurasian beaver	Guyenne Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Castoridae (Beavers)	Echimyidae
Genus	Castor (Beavers)	Proechimys
Species	Castor fiber	Proechimys guyannensis

Evolutionary Relationship

Eurasian beaver and Guyenne Spiny-rat share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Eurasian beaver

VU — Vulnerable

Guyenne Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Guyenne 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.

Guyenne Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in 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.