Japanese Weasel vs Siberian weasel

Mustela itatsi compared with Mustela sibirica

Key Differences

• Japanese Weasel is Near Threatened while Siberian weasel is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Siberian weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Carnivora (Carnivorans)	Carnivora (Carnivorans)
Family same	Mustelidae (Weasels & Otters)	Mustelidae (Weasels & Otters)
Genus same	Mustela	Mustela
Species	Mustela itatsi	Mustela sibirica

Evolutionary Relationship

Japanese Weasel and Siberian weasel share a common ancestor at the Genus level: Mustela.

Conservation Status

Japanese Weasel

NT — Near Threatened

Siberian weasel

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Siberian weasel
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.

Siberian weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Japan and Russia.

Shared Countries

Both species can be found in 1 countries:

🇯🇵 Japan