Eurasian beaver vs Mnestra’s Ringlet

Castor fiber compared with Erebia mnestra

Key Differences

• Eurasian beaver is Vulnerable while Mnestra’s Ringlet is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Mnestra’s Ringlet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Castoridae (Beavers)	Nymphalidae (Brush-footed Butterflies)
Genus	Castor (Beavers)	Erebia
Species	Castor fiber	Erebia mnestra

Evolutionary Relationship

Eurasian beaver and Mnestra’s Ringlet share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Mnestra’s Ringlet

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Mnestra’s Ringlet
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.

Mnestra’s Ringlet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Austria, France, Italy, Liechtenstein, and Switzerland.

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.