Eurasian red squirrel vs Stoat, Ermine

Sciurus vulgaris compared with Mustela erminea

Key Differences

• Eurasian red squirrel is Least Concern while Stoat, Ermine is Vulnerable.

Taxonomic Classification

Rank	Eurasian red squirrel	Stoat, Ermine
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 erminea

Evolutionary Relationship

Eurasian red squirrel and Stoat, Ermine share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Eurasian red squirrel

LC — Least Concern

Stoat, Ermine

VU — Vulnerable

Physical Characteristics

Attribute	Eurasian red squirrel	Stoat, Ermine
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).

Stoat, Ermine

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and temperate broadleaf and mixed forests, among 6 distinct biome types spanning the Australasia and Indomalayan and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Indonesia), Europe (6 countries), North America (United States), and Oceania and the Pacific (New Zealand). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Stoat, Ermine

Stoat, Ermine (Mustela erminea) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden