Eurasian red squirrel vs Japanese Weasel

Sciurus vulgaris compared with Mustela itatsi

Key Differences

• Eurasian red squirrel is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Eurasian red squirrel	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Carnivora (Carnivorans)
Family	Sciuridae (Squirrels)	Mustelidae (Weasels & Otters)
Genus	Sciurus (Tree Squirrels)	Mustela
Species	Sciurus vulgaris	Mustela itatsi

Evolutionary Relationship

Eurasian red squirrel and Japanese Weasel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Eurasian red squirrel

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Eurasian red squirrel	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eurasian red squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Asia (Georgia) and Europe (5 countries).

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.

Eurasian red squirrel

Eurasian red squirrel (Sciurus vulgaris) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.