Japanese Weasel vs Lesser Pencil-tailed Tree Mouse

Mustela itatsi compared with Chiropodomys pusillus

Key Differences

• Japanese Weasel is Near Threatened while Lesser Pencil-tailed Tree Mouse is Data Deficient.

Taxonomic Classification

Rank	Japanese Weasel	Lesser Pencil-tailed Tree Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Carnivora (Carnivorans)	Rodentia (Rodents)
Family	Mustelidae (Weasels & Otters)	Muridae (Mice & Rats)
Genus	Mustela	Chiropodomys
Species	Mustela itatsi	Chiropodomys pusillus

Evolutionary Relationship

Japanese Weasel and Lesser Pencil-tailed Tree Mouse share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Japanese Weasel

NT — Near Threatened

Lesser Pencil-tailed Tree Mouse

DD — Data Deficient

Physical Characteristics

Attribute	Japanese Weasel	Lesser Pencil-tailed Tree Mouse
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 Pencil-tailed Tree Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.