Alston s Cotton Rat vs Dark Drill

Sigmodon alstoni compared with Dichrorampha senectana

Key Differences

• Alston s Cotton Rat is Least Concern while Dark Drill is Vulnerable.

Taxonomic Classification

Rank	Alston s Cotton Rat	Dark Drill
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Cricetidae	Tortricidae
Genus	Sigmodon	Dichrorampha
Species	Sigmodon alstoni	Dichrorampha senectana

Evolutionary Relationship

Alston s Cotton Rat and Dark Drill share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Dark Drill

VU — Vulnerable

Physical Characteristics

Attribute	Alston s Cotton Rat	Dark Drill
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.

Dark Drill

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.