least weasel vs Kolonok

Mustela nivalis compared with Mustela sibirica

Key Differences

• least weasel is Near Threatened while Kolonok is Least Concern.

Taxonomic Classification

Rank	least weasel	Kolonok
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 nivalis	Mustela sibirica

Evolutionary Relationship

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

Conservation Status

least weasel

NT — Near Threatened

Kolonok

LC — Least Concern

Physical Characteristics

Attribute	least weasel	Kolonok
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Kolonok

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Japan and Russia.

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 1 countries:

🇷🇺 Russia