Ardilla Gris Oriental vs St. James' shell

Sciurus carolinensis compared with Pecten maximus

Key Differences

Ardilla Gris Oriental is Not Evaluated while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Ardilla Gris Oriental	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Rodentia (Rodents)	Pectinida (Pectinida)
Family	Sciuridae (Squirrels)	Pectinidae
Genus	Sciurus (Tree Squirrels)	Pecten
Species	Sciurus carolinensis	Pecten maximus

Evolutionary Relationship

Ardilla Gris Oriental and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Ardilla Gris Oriental

NE — Not Evaluated

Trend: Stable →

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Ardilla Gris Oriental	St. James' shell
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).

St. James' shell

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (China), Europe (8 countries), and South America (Chile).

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.

St. James' shell

St. James' shell (Pecten maximus) 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.