Dark Roller vs Eurasian beaver

Ancylis upupana compared with Castor fiber

Key Differences

• Dark Roller is Near Threatened while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Dark Roller	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Tortricidae	Castoridae (Beavers)
Genus	Ancylis	Castor (Beavers)
Species	Ancylis upupana	Castor fiber

Evolutionary Relationship

Dark Roller and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Dark Roller

NT — Near Threatened

Eurasian beaver

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Dark Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

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.

Shared Countries

Both species can be found in 4 countries:

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