Fat Sand Rat vs Lesser Golden-bellied Rice Rat

Psammomys obesus compared with Nephelomys nimbosus

Key Differences

• Fat Sand Rat is Least Concern while Lesser Golden-bellied Rice Rat is Vulnerable.

Taxonomic Classification

Rank	Fat Sand Rat	Lesser Golden-bellied 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	Muridae (Mice & Rats)	Cricetidae
Genus	Psammomys	Nephelomys
Species	Psammomys obesus	Nephelomys nimbosus

Evolutionary Relationship

Fat Sand Rat and Lesser Golden-bellied Rice Rat share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Fat Sand Rat

LC — Least Concern

Lesser Golden-bellied Rice Rat

VU — Vulnerable

Physical Characteristics

Attribute	Fat Sand Rat	Lesser Golden-bellied Rice Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fat Sand Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Golden-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.