European Ground Squirrel vs North American porcupine

Spermophilus citellus compared with Erethizon dorsatus

Key Differences

• European Ground Squirrel is Endangered while North American porcupine is Least Concern.

Taxonomic Classification

Rank	European Ground Squirrel	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	Sciuridae (Squirrels)	Erethizontidae
Genus	Spermophilus	Erethizon
Species	Spermophilus citellus	Erethizon dorsatus

Evolutionary Relationship

European Ground Squirrel and North American porcupine share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

European Ground Squirrel

EN — Endangered

North American porcupine

LC — Least Concern

Physical Characteristics

Attribute	European Ground Squirrel	North American porcupine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

European Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ukraine. Currently classified as Endangered 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.