Eurasian beaver vs Spix s Night Monkey

Castor fiber compared with Aotus vociferans

Key Differences

• Eurasian beaver is Vulnerable while Spix s Night Monkey is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Spix s Night Monkey
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order	Rodentia (Bộ Gặm nhấm)	Primates (bộ Linh trưởng)
Family	Castoridae (Beavers)	Aotidae
Genus	Castor (Beavers)	Aotus
Species	Castor fiber	Aotus vociferans

Evolutionary Relationship

Eurasian beaver and Spix s Night Monkey share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

Eurasian beaver

VU — Vulnerable

Spix s Night Monkey

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Spix s Night Monkey
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.

Spix s Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.