small tortoiseshell vs Snowy Owl

Aglais urticae compared with Bubo scandiacus

Key Differences

• small tortoiseshell is Near Threatened while Snowy Owl is Critically Endangered.

Taxonomic Classification

Rank	small tortoiseshell	Snowy Owl
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Strigiformes (Owls)
Family	Nymphalidae (Brush-footed Butterflies)	Strigidae (True Owls)
Genus	Aglais	Bubo (Eagle Owls)
Species	Aglais urticae	Bubo scandiacus

Evolutionary Relationship

small tortoiseshell and Snowy Owl share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

small tortoiseshell

NT — Near Threatened

Snowy Owl

CR — Critically Endangered

Physical Characteristics

Attribute	small tortoiseshell	Snowy Owl
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Snowy 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

Widely distributed across Europe (4 countries), North America (United States), and South America (Ecuador). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Snowy Owl

Snowy Owl (Bubo scandiacus) 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.

Shared Countries

Both species can be found in 4 countries:

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