Ecureuil gris vs écureuil, écureuil rouge

Sciurus carolinensis compared with Sciurus vulgaris

Key Differences

• Ecureuil gris is Not Evaluated while écureuil, écureuil rouge is Least Concern.

Taxonomic Classification

Rank	Ecureuil gris	écureuil, écureuil rouge
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family same	Sciuridae (Squirrels)	Sciuridae (Squirrels)
Genus same	Sciurus (Tree Squirrels)	Sciurus (Tree Squirrels)
Species	Sciurus carolinensis	Sciurus vulgaris

Evolutionary Relationship

Ecureuil gris and écureuil, écureuil rouge share a common ancestor at the Genus level: Sciurus. (Tree Squirrels)

Conservation Status

Ecureuil gris

NE — Not Evaluated

Trend: Stable →

écureuil, écureuil rouge

LC — Least Concern

Physical Characteristics

Attribute	Ecureuil gris	écureuil, écureuil rouge
Diet	Omnivore	—
Average Lifespan	6 years	—
Average Length	25 cm	—
Average Weight	500 g	—

Habitat & Geographic Range

Ecureuil gris

Habitat

Typically found in a wide range of habitat types.

Range

Widely distributed across Africa (South Africa), Asia (Indonesia), Europe (10 countries), and North America (Mexico, United States).

écureuil, écureuil rouge

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Asia (Georgia) and Europe (5 countries).

Ecureuil gris

Native to eastern North America but successfully introduced to Europe and other regions, the eastern gray squirrel is a medium-sized arboreal rodent weighing up to 600 g. Highly adaptable, thriving in forests, parks, and urban gardens, gray squirrels cache thousands of nuts and seeds each autumn, inadvertently planting trees through forgotten caches. In Britain, they have largely displaced the native red squirrel by outcompeting them for food.

écureuil, écureuil rouge

Eurasian red squirrel (Sciurus vulgaris) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden