Darwin s Nesoryzomys vs Eurasian beaver

Nesoryzomys darwini compared with Castor fiber

Key Differences

• Darwin s Nesoryzomys is Extinct while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Darwin s Nesoryzomys	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	Nesoryzomys	Castor (Beavers)
Species	Nesoryzomys darwini	Castor fiber

Evolutionary Relationship

Darwin s Nesoryzomys and Eurasian beaver share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Darwin s Nesoryzomys

EX — Extinct

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Darwin s Nesoryzomys	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Darwin s Nesoryzomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in 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.