Alston s Cotton Rat vs King/Common Eider

Sigmodon alstoni compared with Somateria spectabilis

Key Differences

• Alston s Cotton Rat is Least Concern while King/Common Eider is Not Evaluated.

Taxonomic Classification

Rank	Alston s Cotton Rat	King/Common Eider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Anseriformes (Anseriformes)
Family	Cricetidae	Anatidae
Genus	Sigmodon	Somateria
Species	Sigmodon alstoni	Somateria spectabilis

Evolutionary Relationship

Alston s Cotton Rat and King/Common Eider share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

King/Common Eider

NE — Not Evaluated

Physical Characteristics

Attribute	Alston s Cotton Rat	King/Common Eider
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.

King/Common Eider

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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.