Deer Mouse vs Eurasian beaver

Peromyscus maniculatus compared with Castor fiber

Key Differences

• Deer Mouse is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Deer 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	Cricetidae	Castoridae (Beavers)
Genus	Peromyscus	Castor (Beavers)
Species	Peromyscus maniculatus	Castor fiber

Evolutionary Relationship

Deer Mouse and Eurasian beaver share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Deer Mouse

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Deer Mouse	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Deer Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

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.