least weasel vs Popayán Thomasomys

Mustela nivalis compared with Thomasomys popayanus

Key Differences

• least weasel is Near Threatened while Popayán Thomasomys is Data Deficient.

Taxonomic Classification

Rank	least weasel	Popayán Thomasomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Carnivora (Carnivorans)	Rodentia (Rodents)
Family	Mustelidae (Weasels & Otters)	Cricetidae
Genus	Mustela	Thomasomys
Species	Mustela nivalis	Thomasomys popayanus

Evolutionary Relationship

least weasel and Popayán Thomasomys share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

least weasel

NT — Near Threatened

Popayán Thomasomys

DD — Data Deficient

Physical Characteristics

Attribute	least weasel	Popayán Thomasomys
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.

Popayán Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.