Pacific Mountain-Ash vs small tortoiseshell

Sorbus sitchensis compared with Aglais urticae

Key Differences

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

Taxonomic Classification

Rank	Pacific 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 sitchensis	Aglais urticae

Conservation Status

Pacific Mountain-Ash

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Pacific Mountain-Ash

Habitat

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

Range

Found in 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.

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.