Arizona Cotton Rat vs Child’s Rice Rat

Sigmodon arizonae compared with Nephelomys childi

Taxonomic Classification

Rank	Arizona Cotton Rat	Child’s Rice Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family same	Cricetidae	Cricetidae
Genus	Sigmodon	Nephelomys
Species	Sigmodon arizonae	Nephelomys childi

Evolutionary Relationship

Arizona Cotton Rat and Child’s Rice Rat share a common ancestor at the Family level: Cricetidae.

Conservation Status

Arizona Cotton Rat

LC — Least Concern

Child’s Rice Rat

LC — Least Concern

Physical Characteristics

Attribute	Arizona Cotton Rat	Child’s Rice Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Child’s Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Arizona Cotton Rat

The Arizona Cotton Rat, Sigmodon arizonae, is a species. It is currently assessed as least concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Child’s Rice Rat

The Child’s Rice Rat (Nephelomys childi) is a species in the genus Nephelomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.