European polecat vs least weasel

Mustela putorius compared with Mustela nivalis

Key Differences

• European polecat is Vulnerable while least weasel is Near Threatened.

Taxonomic Classification

Rank	European polecat	least weasel
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Mammalia (млекопитающие)	Mammalia (млекопитающие)
Order same	Carnivora (хищные)	Carnivora (хищные)
Family same	Mustelidae (Weasels & Otters)	Mustelidae (Weasels & Otters)
Genus same	Mustela	Mustela
Species	Mustela putorius	Mustela nivalis

Evolutionary Relationship

European polecat and least weasel share a common ancestor at the Genus level: Mustela.

Conservation Status

European polecat

VU — Vulnerable

least weasel

NT — Near Threatened

Physical Characteristics

Attribute	European polecat	least weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

European polecat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (10 countries) and South America (Brazil, Colombia). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

least weasel

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 4 distinct biome types spanning the Australasia and Oceanian and Palearctic realms.

Range

Widely distributed across Africa (Sao Tome and Principe), Asia (Cyprus), Europe (11 countries), and Oceania and the Pacific (New Zealand). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

European polecat

European polecat (Mustela putorius) 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.

least weasel

least weasel (Mustela nivalis) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 8 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇮🇹 Italy 🇳🇴 Norway 🇵🇹 Portugal 🇷🇺 Russia 🇪🇸 Spain 🇸🇪 Sweden