Fat Sand Rat vs North American porcupine

Psammomys obesus compared with Erethizon dorsatus

Taxonomic Classification

Rank	Fat Sand Rat	North American porcupine
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)	Erethizontidae
Genus	Psammomys	Erethizon
Species	Psammomys obesus	Erethizon dorsatus

Evolutionary Relationship

Fat Sand Rat and North American porcupine share a common ancestor at the Order level: Rodentia. (啮齿目)

Conservation Status

Fat Sand Rat

LC — Least Concern

North American porcupine

LC — Least Concern

Physical Characteristics

Attribute	Fat Sand Rat	North American porcupine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fat Sand Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

North American porcupine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.