Bilberry Roller vs Mourning Cloak

Ancylis myrtillana compared with Nymphalis antiopa

Key Differences

Bilberry Roller is Least Concern while Mourning Cloak is Critically Endangered.

Taxonomic Classification

Rank	Bilberry Roller	Mourning Cloak
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	Tortricidae	Nymphalidae (Brush-footed Butterflies)
Genus	Ancylis	Nymphalis
Species	Ancylis myrtillana	Nymphalis antiopa

Evolutionary Relationship

Bilberry Roller and Mourning Cloak share a common ancestor at the Order level: Lepidoptera. (Butterflies & Moths)

View Order: Lepidoptera

Conservation Status

Bilberry Roller

LC — Least Concern

Mourning Cloak

CR — Critically Endangered

Physical Characteristics

Attribute	Bilberry Roller	Mourning Cloak
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bilberry Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Mourning Cloak

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 9 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (39 countries) and North America (Canada, United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bilberry Roller

The Bilberry Roller (Ancylis myrtillana) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Mourning Cloak

Mourning Cloak (Nymphalis antiopa) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.