Alston s Cotton Rat vs Bordered Marble

Sigmodon alstoni compared with Endothenia marginana

Key Differences

• Alston s Cotton Rat is Least Concern while Bordered Marble is Vulnerable.

Taxonomic Classification

Rank	Alston s Cotton Rat	Bordered Marble
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	Endothenia
Species	Sigmodon alstoni	Endothenia marginana

Evolutionary Relationship

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

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Bordered Marble

VU — Vulnerable

Physical Characteristics

Attribute	Alston s Cotton Rat	Bordered Marble
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.

Bordered Marble

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.

Bordered Marble

The Bordered Marble (Endothenia marginana) is a species in the genus Endothenia. It is currently classified as Vulnerable on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.