arran brown vs Caucasian Birch Mouse

Erebia ligea compared with Sicista caucasica

Key Differences

• arran brown is Least Concern while Caucasian Birch Mouse is Near Threatened.

Taxonomic Classification

Rank	arran brown	Caucasian Birch Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Nymphalidae (Brush-footed Butterflies)	Dipodidae
Genus	Erebia	Sicista
Species	Erebia ligea	Sicista caucasica

Evolutionary Relationship

arran brown and Caucasian Birch Mouse share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

arran brown

LC — Least Concern

Caucasian Birch Mouse

NT — Near Threatened

Physical Characteristics

Attribute	arran brown	Caucasian Birch Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arran brown

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (33 countries).

Caucasian Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

arran brown

arran brown (Erebia ligea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Caucasian Birch Mouse

The Caucasian Birch Mouse (Sicista caucasica) is a species in the genus Sicista. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.