Alston s Cotton Rat vs American mink

Sigmodon alstoni compared with Mustela vison

Key Differences

• Alston s Cotton Rat is Least Concern while American mink is Not Evaluated.

Taxonomic Classification

Rank	Alston s Cotton Rat	American mink
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Carnivora (Carnivorans)
Family	Cricetidae	Mustelidae (Weasels & Otters)
Genus	Sigmodon	Mustela
Species	Sigmodon alstoni	Mustela vison

Evolutionary Relationship

Alston s Cotton Rat and American mink share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

American mink

NE — Not Evaluated

Physical Characteristics

Attribute	Alston s Cotton Rat	American mink
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alston s Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

American mink

Habitat

Found across multiple habitat types including temperate coniferous forests, montane grasslands and shrublands, and deserts and xeric shrublands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Mongolia), Europe (9 countries), North America (United States), and South America (Chile, Ecuador).

Alston s Cotton Rat

The Alston s Cotton Rat (Sigmodon alstoni) is a species in the genus Sigmodon. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems. Distributed across Colombia and Venezuela.

American mink

The American mink (Mustela vison) is a species in the genus Mustela. Found across multiple habitat types including temperate coniferous forests, montane grasslands and shrublands, and deserts and xeric shrublands within the Palearctic biogeographic realm. Populations are also found in montane and highland en.