Ardilla Gris Oriental vs Black-edged Marble

Sciurus carolinensis compared with Endothenia nigricostana

Key Differences

• Ardilla Gris Oriental is Not Evaluated while Black-edged Marble is Near Threatened.

Taxonomic Classification

Rank	Ardilla Gris Oriental	Black-edged Marble
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Sciuridae (Squirrels)	Tortricidae
Genus	Sciurus (Tree Squirrels)	Endothenia
Species	Sciurus carolinensis	Endothenia nigricostana

Evolutionary Relationship

Ardilla Gris Oriental and Black-edged Marble share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Ardilla Gris Oriental

NE — Not Evaluated

Trend: Stable →

Black-edged Marble

NT — Near Threatened

Physical Characteristics

Attribute	Ardilla Gris Oriental	Black-edged Marble
Diet	Omnivore	—
Average Lifespan	6 years	—
Average Length	25 cm	—
Average Weight	500 g	—

Habitat & Geographic Range

Ardilla Gris Oriental

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).

Black-edged Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Ardilla Gris Oriental

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.

Black-edged Marble

The Black-edged Marble (Endothenia nigricostana) is a species in the genus Endothenia. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden