Japanese Weasel vs Merriam s Deermouse

Mustela itatsi compared with Peromyscus merriami

Key Differences

• Japanese Weasel is Near Threatened while Merriam s Deermouse is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Merriam s Deermouse
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)	Cricetidae
Genus	Mustela	Peromyscus
Species	Mustela itatsi	Peromyscus merriami

Evolutionary Relationship

Japanese Weasel and Merriam s Deermouse share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Japanese Weasel

NT — Near Threatened

Merriam s Deermouse

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Merriam s Deermouse
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.

Merriam s Deermouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.