arran brown vs Birch Marble

Erebia ligea compared with Apotomis betuletana

Taxonomic Classification

Rank	arran brown	Birch Marble
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Lepidoptera (Butterflies & Moths)	Lepidoptera (Butterflies & Moths)
Family	Nymphalidae (Brush-footed Butterflies)	Tortricidae
Genus	Erebia	Apotomis
Species	Erebia ligea	Apotomis betuletana

Evolutionary Relationship

arran brown and Birch Marble share a common ancestor at the Order level: Lepidoptera. (Butterflies & Moths)

Conservation Status

arran brown

LC — Least Concern

Birch Marble

LC — Least Concern

Physical Characteristics

Attribute	arran brown	Birch Marble
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).

Birch Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Birch Marble

The Birch Marble (Apotomis betuletana) is a species in the genus Apotomis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

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