Eurasian beaver vs One-striped opossum

Castor fiber compared with Monodelphis unistriata

Key Differences

• Eurasian beaver is Vulnerable while One-striped opossum is Critically Endangered.

Taxonomic Classification

Rank	Eurasian beaver	One-striped opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Didelphimorphia (Didelphimorphia)
Family	Castoridae (Beavers)	Didelphidae
Genus	Castor (Beavers)	Monodelphis
Species	Castor fiber	Monodelphis unistriata

Evolutionary Relationship

Eurasian beaver and One-striped opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Eurasian beaver

VU — Vulnerable

One-striped opossum

CR — Critically Endangered

Physical Characteristics

Attribute	Eurasian beaver	One-striped opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

One-striped opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.