Gray-footed Spiny-rat vs least weasel

Proechimys poliopus compared with Mustela nivalis

Key Differences

• Gray-footed Spiny-rat is Vulnerable while least weasel is Near Threatened.

Taxonomic Classification

Rank	Gray-footed Spiny-rat	least weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Carnivora (Carnivorans)
Family	Echimyidae	Mustelidae (Weasels & Otters)
Genus	Proechimys	Mustela
Species	Proechimys poliopus	Mustela nivalis

Evolutionary Relationship

Gray-footed Spiny-rat and least weasel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gray-footed Spiny-rat

VU — Vulnerable

least weasel

NT — Near Threatened

Physical Characteristics

Attribute	Gray-footed Spiny-rat	least weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela. 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.

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.