Alston s Cotton Rat vs Amazonian Marsh Rat

Sigmodon alstoni compared with Holochilus sciureus

Taxonomic Classification

Rank	Alston s Cotton Rat	Amazonian Marsh Rat
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order same	Rodentia (Nagetiere)	Rodentia (Nagetiere)
Family same	Cricetidae	Cricetidae
Genus	Sigmodon	Holochilus
Species	Sigmodon alstoni	Holochilus sciureus

Evolutionary Relationship

Alston s Cotton Rat and Amazonian Marsh Rat share a common ancestor at the Family level: Cricetidae.

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Amazonian Marsh Rat

LC — Least Concern

Physical Characteristics

Attribute	Alston s Cotton Rat	Amazonian Marsh 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.

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela