Elegant Fat-tailed Mouse Opossum vs Eurasian beaver

Thylamys elegans compared with Castor fiber

Key Differences

• Elegant Fat-tailed Mouse Opossum is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Elegant Fat-tailed Mouse Opossum	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Didelphimorphia (Didelphimorphia)	Rodentia (Rodents)
Family	Didelphidae	Castoridae (Beavers)
Genus	Thylamys	Castor (Beavers)
Species	Thylamys elegans	Castor fiber

Evolutionary Relationship

Elegant Fat-tailed Mouse Opossum and Eurasian beaver share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Elegant Fat-tailed Mouse Opossum

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Elegant Fat-tailed Mouse Opossum	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Elegant Fat-tailed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.