Cascade Mountain-Ash vs small tortoiseshell

Sorbus scopulina compared with Aglais urticae

Key Differences

• Cascade Mountain-Ash is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Cascade Mountain-Ash	small tortoiseshell
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Rosales (Roses & Allies)	Lepidoptera (Butterflies & Moths)
Family	Rosaceae (Rose Family)	Nymphalidae (Brush-footed Butterflies)
Genus	Sorbus	Aglais
Species	Sorbus scopulina	Aglais urticae

Conservation Status

Cascade Mountain-Ash

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Cascade Mountain-Ash	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cascade Mountain-Ash

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada, Norway, and United States.

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.

Cascade Mountain-Ash

The Cascade Mountain-ash (Sorbus scopulina) is a species in the genus Sorbus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway