Alston s Cotton Rat vs Polynesia Tree Snail

Sigmodon alstoni compared with Partula imperforata

Key Differences

• Alston s Cotton Rat is Least Concern while Polynesia Tree Snail is Extinct.

Taxonomic Classification

Rank	Alston s Cotton Rat	Polynesia Tree Snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Rodentia (Rodents)	Stylommatophora (Stylommatophora)
Family	Cricetidae	Partulidae
Genus	Sigmodon	Partula
Species	Sigmodon alstoni	Partula imperforata

Evolutionary Relationship

Alston s Cotton Rat and Polynesia Tree Snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Polynesia Tree Snail

EX — Extinct

Physical Characteristics

Attribute	Alston s Cotton Rat	Polynesia Tree Snail
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.

Polynesia Tree Snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.