Ecuadorean Rice Rat vs Eurasian beaver

Nephelomys auriventer compared with Castor fiber

Key Differences

• Ecuadorean Rice Rat is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Ecuadorean Rice Rat	Eurasian beaver
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	Cricetidae	Castoridae (Beavers)
Genus	Nephelomys	Castor (Beavers)
Species	Nephelomys auriventer	Castor fiber

Evolutionary Relationship

Ecuadorean Rice Rat and Eurasian beaver share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Ecuadorean Rice Rat

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Ecuadorean Rice Rat	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ecuadorean Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.

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.