Alston s Cotton Rat vs Comadreja Orejas Negras

Sigmodon alstoni compared with Didelphis aurita

Taxonomic Classification

Rank	Alston s Cotton Rat	Comadreja Orejas Negras
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Rodentia (Rodents)	Didelphimorphia (Didelphimorphia)
Family	Cricetidae	Didelphidae
Genus	Sigmodon	Didelphis
Species	Sigmodon alstoni	Didelphis aurita

Evolutionary Relationship

Alston s Cotton Rat and Comadreja Orejas Negras share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Comadreja Orejas Negras

LC — Least Concern

Physical Characteristics

Attribute	Alston s Cotton Rat	Comadreja Orejas Negras
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.

Comadreja Orejas Negras

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Comadreja Orejas Negras

The Big-eared opossum (Didelphis aurita) is a species in the genus Didelphis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.