Ardilla Gris Oriental vs Bridge Roller

Sciurus carolinensis compared with Ancylis uncella

Key Differences

• Ardilla Gris Oriental is Not Evaluated while Bridge Roller is Least Concern.

Taxonomic Classification

Rank	Ardilla Gris Oriental	Bridge Roller
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Mammalia (哺乳類)	Insecta (昆虫)
Order	Rodentia (ネズミ目)	Lepidoptera (チョウ目)
Family	Sciuridae (Squirrels)	Tortricidae
Genus	Sciurus (Tree Squirrels)	Ancylis
Species	Sciurus carolinensis	Ancylis uncella

Evolutionary Relationship

Ardilla Gris Oriental and Bridge Roller share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Ardilla Gris Oriental

NE — Not Evaluated

Trend: Stable →

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	Ardilla Gris Oriental	Bridge Roller
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).

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Ardilla Gris Oriental

ヒガシハイリス（Sciurus carolinensis）は北米東部原産の中型樹上性げっ歯類で、ヨーロッパをはじめ世界各地に移入された外来種である。IUCNレッドリストでは軽度懸念（LC）に分類されており、都市公園や郊外の森林環境への適応力が高く、堅果の埋蔵行動が植物の種子散布に重要な役割を果たしている。英国ではニホンリスを食物競争で駆逐しており、侵略的外来種としても問題視されている。

Bridge Roller

The Bridge Roller (Ancylis uncella) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

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