Alston s Cotton Rat vs Darwin s Nesoryzomys

Sigmodon alstoni compared with Nesoryzomys darwini

Key Differences

• Alston s Cotton Rat is Least Concern while Darwin s Nesoryzomys is Extinct.

Taxonomic Classification

Rank	Alston s Cotton Rat	Darwin s Nesoryzomys
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Mammalia (포유류)	Mammalia (포유류)
Order same	Rodentia (설치류)	Rodentia (설치류)
Family same	Cricetidae	Cricetidae
Genus	Sigmodon	Nesoryzomys
Species	Sigmodon alstoni	Nesoryzomys darwini

Evolutionary Relationship

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

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Darwin s Nesoryzomys

EX — Extinct

Physical Characteristics

Attribute	Alston s Cotton Rat	Darwin s Nesoryzomys
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.

Darwin s Nesoryzomys

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.