Long-tailed Weasel vs small tortoiseshell

Mustela frenata compared with Aglais urticae

Key Differences

• Long-tailed Weasel is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Long-tailed Weasel	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Carnivora (Carnivorans)	Lepidoptera (Butterflies & Moths)
Family	Mustelidae (Weasels & Otters)	Nymphalidae (Brush-footed Butterflies)
Genus	Mustela	Aglais
Species	Mustela frenata	Aglais urticae

Evolutionary Relationship

Long-tailed Weasel and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Long-tailed Weasel

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Long-tailed Weasel	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Long-tailed Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, United States, and Venezuela.

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

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.