Arctic fox vs least weasel

Vulpes lagopus compared with Mustela nivalis

Key Differences

Arctic fox is Critically Endangered while least weasel is Near Threatened.

Taxonomic Classification

Rank	Arctic fox	least weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Carnivora (Carnivorans)	Carnivora (Carnivorans)
Family	Canidae (Dogs & Wolves)	Mustelidae (Weasels & Otters)
Genus	Vulpes (Foxes)	Mustela
Species	Vulpes lagopus	Mustela nivalis

Evolutionary Relationship

Arctic fox and least weasel share a common ancestor at the Order level: Carnivora. (Carnivorans)

View Order: Carnivora

Conservation Status

Arctic fox

CR — Critically Endangered

least weasel

NT — Near Threatened

Physical Characteristics

Attribute	Arctic fox	least weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Critically Endangered 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.

Arctic fox

The Arctic fox (Vulpes lagopus) is a species in the genus Vulpes. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.