Bilberry Roller vs Eurasian Eagle-Owl

Ancylis myrtillana compared with Bubo bubo

Key Differences

Bilberry Roller is Least Concern while Eurasian Eagle-Owl is Endangered.

Taxonomic Classification

Rank	Bilberry Roller	Eurasian Eagle-Owl
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Strigiformes (Owls)
Family	Tortricidae	Strigidae (True Owls)
Genus	Ancylis	Bubo (Eagle Owls)
Species	Ancylis myrtillana	Bubo bubo

Evolutionary Relationship

Bilberry Roller and Eurasian Eagle-Owl share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Bilberry Roller

LC — Least Concern

Eurasian Eagle-Owl

EN — Endangered

Population: ~400.0K

Trend: Stable →

Physical Characteristics

Attribute	Bilberry Roller	Eurasian Eagle-Owl
Diet	—	Carnivore
Average Lifespan	—	20 years
Average Length	—	70 cm
Average Weight	—	3.0 kg

Habitat & Geographic Range

Bilberry Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Eurasian Eagle-Owl

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Found across Europe (9 countries) and South America (Ecuador). Currently classified as 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.

Eurasian Eagle-Owl

The world's largest owl species by height and weight, Eurasian eagle-owls have wingspans up to 1.9 meters and inhabit rocky landscapes, forest edges, and cliffs from Europe across Asia to China. Silent nocturnal hunters with powerful talons, they prey on rabbits, hares, foxes, and even other raptors. Their deep, resonant hooting carries over great distances. Relatively stable in population, though persecuted historically.