Alston s Cotton Rat vs violet risso

Sigmodon alstoni compared with Rissoa violacea

Key Differences

• Alston s Cotton Rat is Least Concern while violet risso is Not Evaluated.

Taxonomic Classification

Rank	Alston s Cotton Rat	violet risso
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Rodentia (Rodents)	Littorinimorpha (Littorinimorpha)
Family	Cricetidae	Rissoidae
Genus	Sigmodon	Rissoa
Species	Sigmodon alstoni	Rissoa violacea

Evolutionary Relationship

Alston s Cotton Rat and violet risso share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

violet risso

NE — Not Evaluated

Physical Characteristics

Attribute	Alston s Cotton Rat	violet risso
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.

violet risso

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark and Norway.

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.