Japanese Weasel vs Red-tailed Squirrel

Mustela itatsi compared with Sciurus granatensis

Key Differences

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

Taxonomic Classification

Rank	Japanese Weasel	Red-tailed 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	Sciurus (Tree Squirrels)
Species	Mustela itatsi	Sciurus granatensis

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Red-tailed Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Red-tailed 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-tailed Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Europe (4 countries), North America (Cuba), and South America (Colombia, Venezuela).