Amazon Dwarf Squirrel vs Eurasian beaver

Microsciurus flaviventer compared with Castor fiber

Key Differences

• Amazon Dwarf Squirrel is Data Deficient while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Amazon Dwarf Squirrel	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 same	Rodentia (啮齿目)	Rodentia (啮齿目)
Family	Sciuridae (Squirrels)	Castoridae (Beavers)
Genus	Microsciurus	Castor (Beavers)
Species	Microsciurus flaviventer	Castor fiber

Evolutionary Relationship

Amazon Dwarf Squirrel and Eurasian beaver share a common ancestor at the Order level: Rodentia. (啮齿目)

Conservation Status

Amazon Dwarf Squirrel

DD — Data Deficient

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Amazon Dwarf Squirrel	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Dwarf Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.

Amazon Dwarf Squirrel

The Amazon Dwarf Squirrel (Microsciurus flaviventer) is a species in the genus Microsciurus. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. 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。