Alston s Cotton Rat vs Polynesian rat

Sigmodon alstoni compared with Rattus exulans

Taxonomic Classification

Rank	Alston s Cotton Rat	Polynesian rat
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order same	Rodentia (Bộ Gặm nhấm)	Rodentia (Bộ Gặm nhấm)
Family	Cricetidae	Muridae (Mice & Rats)
Genus	Sigmodon	Rattus
Species	Sigmodon alstoni	Rattus exulans

Evolutionary Relationship

Alston s Cotton Rat and Polynesian rat share a common ancestor at the Order level: Rodentia. (Bộ Gặm nhấm)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Alston s Cotton Rat	Polynesian 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.

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

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.