Japanese Weasel vs Waldbirkenmaus

Mustela itatsi compared with Sicista betulina

Key Differences

• Japanese Weasel is Near Threatened while Waldbirkenmaus is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Waldbirkenmaus
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order	Carnivora (Raubtiere)	Rodentia (Nagetiere)
Family	Mustelidae (Weasels & Otters)	Dipodidae
Genus	Mustela	Sicista
Species	Mustela itatsi	Sicista betulina

Evolutionary Relationship

Japanese Weasel and Waldbirkenmaus share a common ancestor at the Class level: Mammalia. (Säugetiere)

Conservation Status

Japanese Weasel

NT — Near Threatened

Waldbirkenmaus

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Waldbirkenmaus
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.

Waldbirkenmaus

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Russia, Sweden, and Ukraine.