Boreal Thorius vs small tortoiseshell

Thorius boreas compared with Aglais urticae

Key Differences

• Boreal Thorius is Endangered while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Boreal Thorius	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Amphibia (Amphibians)	Insecta (Insects)
Order	Caudata (Caudata)	Lepidoptera (Butterflies & Moths)
Family	Plethodontidae	Nymphalidae (Brush-footed Butterflies)
Genus	Thorius	Aglais
Species	Thorius boreas	Aglais urticae

Evolutionary Relationship

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

Conservation Status

Boreal Thorius

EN — Endangered

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Boreal Thorius	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Boreal Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Boreal Thorius

The Boreal Thorius (Thorius boreas) is a species in the genus Thorius. It is currently classified as Endangered on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

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.