Alston s Cotton Rat vs Gray-bellied Rice Rat

Sigmodon alstoni compared with Nephelomys moerex

Key Differences

• Alston s Cotton Rat is Least Concern while Gray-bellied Rice Rat is Extinct.

Taxonomic Classification

Rank	Alston s Cotton Rat	Gray-bellied Rice 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 same	Cricetidae	Cricetidae
Genus	Sigmodon	Nephelomys
Species	Sigmodon alstoni	Nephelomys moerex

Evolutionary Relationship

Alston s Cotton Rat and Gray-bellied Rice Rat share a common ancestor at the Family level: Cricetidae.

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Gray-bellied Rice Rat

EX — Extinct

Physical Characteristics

Attribute	Alston s Cotton Rat	Gray-bellied Rice 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.

Gray-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in 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.