Ardilla Gris Oriental vs Brown Eared-Pheasant

Sciurus carolinensis compared with Crossoptilon mantchuricum

Key Differences

• Ardilla Gris Oriental is Not Evaluated while Brown Eared-Pheasant is Vulnerable.

Taxonomic Classification

Rank	Ardilla Gris Oriental	Brown Eared-Pheasant
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Galliformes (Galliformes)
Family	Sciuridae (Squirrels)	Phasianidae
Genus	Sciurus (Tree Squirrels)	Crossoptilon
Species	Sciurus carolinensis	Crossoptilon mantchuricum

Evolutionary Relationship

Ardilla Gris Oriental and Brown Eared-Pheasant share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Ardilla Gris Oriental

NE — Not Evaluated

Trend: Stable →

Brown Eared-Pheasant

VU — Vulnerable

Physical Characteristics

Attribute	Ardilla Gris Oriental	Brown Eared-Pheasant
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).

Brown Eared-Pheasant

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Norway and United Kingdom. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Brown Eared-Pheasant

The Brown Eared-pheasant (Crossoptilon mantchuricum) is a species in the genus Crossoptilon. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇬🇧 United Kingdom