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 (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Carnivora (食肉目)	Carnivora (食肉目)
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

欧洲艾鼬（Mustela putorius）在IUCN红色名录中被列为易危（VU）物种。在野外面临高度危险风险，种群数量下降，栖息地压力不断增加。

least weasel

伶鼬（Mustela nivalis）被IUCN红色名录列为近危（NT）物种。接近受威胁标准，若不采取保护措施，种群可能变得脆弱。

Shared Countries

Both species can be found in 8 countries:

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