Alston s Cotton Rat vs Japanese Noctule

Sigmodon alstoni compared with Nyctalus furvus

Key Differences

• Alston s Cotton Rat is Least Concern while Japanese Noctule is Endangered.

Taxonomic Classification

Rank	Alston s Cotton Rat	Japanese Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Chiroptera (Bats)
Family	Cricetidae	Vespertilionidae
Genus	Sigmodon	Nyctalus
Species	Sigmodon alstoni	Nyctalus furvus

Evolutionary Relationship

Alston s Cotton Rat and Japanese Noctule share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Japanese Noctule

EN — Endangered

Physical Characteristics

Attribute	Alston s Cotton Rat	Japanese Noctule
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.

Japanese Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.