Alston s Cotton Rat vs Fat Sand Rat

Sigmodon alstoni compared with Psammomys obesus

Taxonomic Classification

Rank	Alston s Cotton Rat	Fat Sand Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Cricetidae	Muridae (Mice & Rats)
Genus	Sigmodon	Psammomys
Species	Sigmodon alstoni	Psammomys obesus

Evolutionary Relationship

Alston s Cotton Rat and Fat Sand Rat share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Fat Sand Rat

LC — Least Concern

Physical Characteristics

Attribute	Alston s Cotton Rat	Fat Sand Rat
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.

Fat Sand Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.