Alston s Cotton Rat vs Narrow-headed Slender Opossum

Sigmodon alstoni compared with Marmosops cracens

Key Differences

• Alston s Cotton Rat is Least Concern while Narrow-headed Slender Opossum is Data Deficient.

Taxonomic Classification

Rank	Alston s Cotton Rat	Narrow-headed Slender Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Didelphimorphia (Didelphimorphia)
Family	Cricetidae	Didelphidae
Genus	Sigmodon	Marmosops
Species	Sigmodon alstoni	Marmosops cracens

Evolutionary Relationship

Alston s Cotton Rat and Narrow-headed Slender Opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Narrow-headed Slender Opossum

DD — Data Deficient

Physical Characteristics

Attribute	Alston s Cotton Rat	Narrow-headed Slender 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.

Narrow-headed Slender Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in 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.

Shared Countries

Both species can be found in 1 countries:

🇻🇪 Venezuela