Fat Sand Rat vs Gray-bellied Rice Rat

Psammomys obesus compared with Nephelomys moerex

Key Differences

• Fat Sand Rat is Least Concern while Gray-bellied Rice Rat is Extinct.

Taxonomic Classification

Rank	Fat Sand Rat	Gray-bellied Rice 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	Muridae (Mice & Rats)	Cricetidae
Genus	Psammomys	Nephelomys
Species	Psammomys obesus	Nephelomys moerex

Evolutionary Relationship

Fat Sand Rat and Gray-bellied Rice Rat share a common ancestor at the Order level: Rodentia. (啮齿目)

Conservation Status

Fat Sand Rat

LC — Least Concern

Gray-bellied Rice Rat

EX — Extinct

Physical Characteristics

Attribute	Fat Sand Rat	Gray-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.

Gray-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.