Japanese Weasel vs small skipper

Mustela itatsi compared with Thymelicus sylvestris

Key Differences

• Japanese Weasel is Near Threatened while small skipper is Vulnerable.

Taxonomic Classification

Rank	Japanese Weasel	small skipper
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)	Hesperiidae
Genus	Mustela	Thymelicus
Species	Mustela itatsi	Thymelicus sylvestris

Evolutionary Relationship

Japanese Weasel and small skipper share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Japanese Weasel

NT — Near Threatened

small skipper

VU — Vulnerable

Physical Characteristics

Attribute	Japanese Weasel	small skipper
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

small skipper

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Europe (37 countries) and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

small skipper

small skipper (Thymelicus sylvestris) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.