Brown-eared Woolly Opossum vs Eurasian beaver

Caluromys lanatus compared with Castor fiber

Key Differences

• Brown-eared Woolly Opossum is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Brown-eared Woolly Opossum	Eurasian beaver
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Didelphimorphia (负鼠目)	Rodentia (啮齿目)
Family	Didelphidae	Castoridae (Beavers)
Genus	Caluromys	Castor (Beavers)
Species	Caluromys lanatus	Castor fiber

Evolutionary Relationship

Brown-eared Woolly Opossum and Eurasian beaver share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Brown-eared Woolly Opossum

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Brown-eared Woolly Opossum	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown-eared Woolly Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.

Brown-eared Woolly Opossum

The Brown-eared Woolly Opossum (Caluromys lanatus) is a species in the genus Caluromys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Eurasian beaver

欧亚河狸（Castor fiber）在IUCN红色名录中被列为易危（VU）。面临野外高度濒危风险，种群数量下降，栖息地压力日益增大。