Desmarest’s Spiny Pocket Mouse vs Eurasian beaver

Heteromys desmarestianus compared with Castor fiber

Key Differences

• Desmarest’s Spiny Pocket Mouse is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Desmarest’s Spiny Pocket Mouse	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	Heteromyidae	Castoridae (Beavers)
Genus	Heteromys	Castor (Beavers)
Species	Heteromys desmarestianus	Castor fiber

Evolutionary Relationship

Desmarest’s Spiny Pocket Mouse and Eurasian beaver share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Desmarest’s Spiny Pocket Mouse

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Desmarest’s Spiny Pocket Mouse	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Desmarest’s Spiny Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.