Gray-footed Spiny-rat vs North American porcupine

Proechimys poliopus compared with Erethizon dorsatus

Key Differences

• Gray-footed Spiny-rat is Vulnerable while North American porcupine is Least Concern.

Taxonomic Classification

Rank	Gray-footed Spiny-rat	North American porcupine
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	Echimyidae	Erethizontidae
Genus	Proechimys	Erethizon
Species	Proechimys poliopus	Erethizon dorsatus

Evolutionary Relationship

Gray-footed Spiny-rat and North American porcupine share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Gray-footed Spiny-rat

VU — Vulnerable

North American porcupine

LC — Least Concern

Physical Characteristics

Attribute	Gray-footed Spiny-rat	North American porcupine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

North American porcupine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.