Eurasian beaver vs Hooded red-sided opossum

Castor fiber compared with Monodelphis palliolata

Key Differences

• Eurasian beaver is Vulnerable while Hooded red-sided opossum is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Hooded red-sided opossum
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	Rodentia (啮齿目)	Didelphimorphia (负鼠目)
Family	Castoridae (Beavers)	Didelphidae
Genus	Castor (Beavers)	Monodelphis
Species	Castor fiber	Monodelphis palliolata

Evolutionary Relationship

Eurasian beaver and Hooded red-sided opossum share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Eurasian beaver

VU — Vulnerable

Hooded red-sided opossum

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Hooded red-sided 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.

Hooded red-sided opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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。