Alston s Cotton Rat vs Dark Dwarf

Sigmodon alstoni compared with Elachista subnigrella

Key Differences

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

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Dark Dwarf

VU — Vulnerable

Physical Characteristics

Attribute	Alston s Cotton Rat	Dark Dwarf
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 Dwarf

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and 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.