Alston s Cotton Rat vs Heavy-browed Mouse Opossum

Sigmodon alstoni compared with Marmosa andersoni

Key Differences

• Alston s Cotton Rat is Least Concern while Heavy-browed Mouse Opossum is Data Deficient.

Taxonomic Classification

Rank	Alston s Cotton Rat	Heavy-browed Mouse Opossum
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	Marmosa
Species	Sigmodon alstoni	Marmosa andersoni

Evolutionary Relationship

Alston s Cotton Rat and Heavy-browed Mouse Opossum share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Heavy-browed Mouse Opossum

DD — Data Deficient

Physical Characteristics

Attribute	Alston s Cotton Rat	Heavy-browed Mouse Opossum
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.

Heavy-browed Mouse Opossum

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.