Japanese Weasel vs Red-legged Sun Squirrel

Mustela itatsi compared with Heliosciurus rufobrachium

Key Differences

• Japanese Weasel is Near Threatened while Red-legged Sun Squirrel is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Red-legged Sun Squirrel
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)	Sciuridae (Squirrels)
Genus	Mustela	Heliosciurus
Species	Mustela itatsi	Heliosciurus rufobrachium

Evolutionary Relationship

Japanese Weasel and Red-legged Sun Squirrel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Japanese Weasel

NT — Near Threatened

Red-legged Sun Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Red-legged Sun Squirrel
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.

Red-legged Sun Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.