Alston s Cotton Rat vs Napo Spiny-rat

Sigmodon alstoni compared with Proechimys quadruplicatus

Taxonomic Classification

Rank	Alston s Cotton Rat	Napo Spiny-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	Echimyidae
Genus	Sigmodon	Proechimys
Species	Sigmodon alstoni	Proechimys quadruplicatus

Evolutionary Relationship

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

Xem Order: Rodentia

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Alston s Cotton Rat	Napo Spiny-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.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, 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.