Aspen Roller vs Eurasian beaver

Ancylis laetana compared with Castor fiber

Key Differences

• Aspen Roller is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Aspen Roller

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Aspen Roller	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aspen Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Aspen Roller

The Aspen Roller (Ancylis laetana) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across Belgium, Denmark, Norway, and Sweden.

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