Eurasian beaver vs small rivulet

Castor fiber compared with Perizoma alchemillata

Key Differences

• Eurasian beaver is Vulnerable while small rivulet is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	small rivulet
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Chordata (脊索动物门)	Arthropoda (节肢动物门)
Class	Mammalia (哺乳動物)	Insecta (昆蟲綱)
Order	Rodentia (啮齿目)	Lepidoptera (鱗翅目)
Family	Castoridae (Beavers)	Geometridae
Genus	Castor (Beavers)	Perizoma
Species	Castor fiber	Perizoma alchemillata

Evolutionary Relationship

Eurasian beaver and small rivulet share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Eurasian beaver

VU — Vulnerable

small rivulet

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	small rivulet
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.

small rivulet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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。

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden