Japanese Weasel vs Lesser Smoothcap

Mustela itatsi compared with Atrichum angustatum

Key Differences

• Japanese Weasel is Near Threatened while Lesser Smoothcap is Vulnerable.

Taxonomic Classification

Rank	Japanese Weasel	Lesser Smoothcap
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Bryophyta
Class	Mammalia (Mammals)	Polytrichopsida (Polytrichopsida)
Order	Carnivora (Carnivorans)	Polytrichales (Polytrichales)
Family	Mustelidae (Weasels & Otters)	Polytrichaceae
Genus	Mustela	Atrichum
Species	Mustela itatsi	Atrichum angustatum

Conservation Status

Japanese Weasel

NT — Near Threatened

Lesser Smoothcap

VU — Vulnerable

Physical Characteristics

Attribute	Japanese Weasel	Lesser Smoothcap
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.

Lesser Smoothcap

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.