Alston s Cotton Rat vs Central Australian Rock Rat

Sigmodon alstoni compared with Zyzomys pedunculatus

Key Differences

• Alston s Cotton Rat is Least Concern while Central Australian Rock Rat is Critically Endangered.

Taxonomic Classification

Rank	Alston s Cotton Rat	Central Australian Rock Rat
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Rodentia (啮齿目)	Rodentia (啮齿目)
Family	Cricetidae	Muridae (Mice & Rats)
Genus	Sigmodon	Zyzomys
Species	Sigmodon alstoni	Zyzomys pedunculatus

Evolutionary Relationship

Alston s Cotton Rat and Central Australian Rock Rat share a common ancestor at the Order level: Rodentia. (啮齿目)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Central Australian Rock Rat

CR — Critically Endangered

Physical Characteristics

Attribute	Alston s Cotton Rat	Central Australian Rock Rat
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.

Central Australian Rock Rat

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.

Central Australian Rock Rat

The Central Australian Rock Rat (Zyzomys pedunculatus) is a species in the genus Zyzomys. It is currently classified as Critically Endangered on the IUCN Red List.