least weasel vs Nelson s Antelope Squirrel

Mustela nivalis compared with Ammospermophilus nelsoni

Key Differences

• least weasel is Near Threatened while Nelson s Antelope Squirrel is Endangered.

Taxonomic Classification

Rank	least weasel	Nelson s Antelope Squirrel
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)	Sciuridae (Squirrels)
Genus	Mustela	Ammospermophilus
Species	Mustela nivalis	Ammospermophilus nelsoni

Evolutionary Relationship

least weasel and Nelson s Antelope Squirrel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

least weasel

NT — Near Threatened

Nelson s Antelope Squirrel

EN — Endangered

Physical Characteristics

Attribute	least weasel	Nelson s Antelope Squirrel
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.

Nelson s Antelope Squirrel

Habitat

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.