Base-lined Grey vs Eurasian beaver

Scoparia basistrigalis compared with Castor fiber

Key Differences

• Base-lined Grey is Near Threatened while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Base-lined Grey	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	Crambidae	Castoridae (Beavers)
Genus	Scoparia	Castor (Beavers)
Species	Scoparia basistrigalis	Castor fiber

Evolutionary Relationship

Base-lined Grey and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Base-lined Grey

NT — Near Threatened

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Base-lined Grey	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Base-lined Grey

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.

Base-lined Grey

The Base-lined Grey (Scoparia basistrigalis) is a species in the genus Scoparia. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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