bare-eared squirrel monkey vs Eurasian beaver

Saimiri ustus compared with Castor fiber

Key Differences

• bare-eared squirrel monkey is Near Threatened while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	bare-eared squirrel monkey	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	Primates (灵长目)	Rodentia (啮齿目)
Family	Cebidae	Castoridae (Beavers)
Genus	Saimiri	Castor (Beavers)
Species	Saimiri ustus	Castor fiber

Evolutionary Relationship

bare-eared squirrel monkey and Eurasian beaver share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

bare-eared squirrel monkey

NT — Near Threatened

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	bare-eared squirrel monkey	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

bare-eared squirrel monkey

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.

bare-eared squirrel monkey

The Bare-eared squirrel monkey (Saimiri ustus) is a species in the genus Saimiri. It is currently classified as Near Threatened 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。