Eurasian beaver vs Handley s Slender Opossum

Castor fiber compared with Marmosops handleyi

Key Differences

• Eurasian beaver is Vulnerable while Handley s Slender Opossum is Critically Endangered.

Taxonomic Classification

Rank	Eurasian beaver	Handley s Slender 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)	Marmosops
Species	Castor fiber	Marmosops handleyi

Evolutionary Relationship

Eurasian beaver and Handley s Slender Opossum share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Eurasian beaver

VU — Vulnerable

Handley s Slender Opossum

CR — Critically Endangered

Physical Characteristics

Attribute	Eurasian beaver	Handley s Slender 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.

Handley s Slender Opossum

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and montane grasslands and shrublands, among 4 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Colombia. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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。