Alston s Cotton Rat vs Ardilla Gris Oriental

Sigmodon alstoni compared with Sciurus carolinensis

Key Differences

Alston s Cotton Rat is Least Concern while Ardilla Gris Oriental is Not Evaluated.

Taxonomic Classification

Rank	Alston s Cotton Rat	Ardilla Gris Oriental
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order same	Rodentia (ネズミ目)	Rodentia (ネズミ目)
Family	Cricetidae	Sciuridae (Squirrels)
Genus	Sigmodon	Sciurus (Tree Squirrels)
Species	Sigmodon alstoni	Sciurus carolinensis

Evolutionary Relationship

Alston s Cotton Rat and Ardilla Gris Oriental share a common ancestor at the Order level: Rodentia. (ネズミ目)

表示 Order: Rodentia

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Ardilla Gris Oriental

NE — Not Evaluated

Trend: Stable →

Physical Characteristics

Attribute	Alston s Cotton Rat	Ardilla Gris Oriental
Diet	—	Omnivore
Average Lifespan	—	6 years
Average Length	—	25 cm
Average Weight	—	500 g

Habitat & Geographic Range

Alston s Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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).

Alston s Cotton Rat

The Alston s Cotton Rat (Sigmodon alstoni) is a species in the genus Sigmodon. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems. Distributed across Colombia and Venezuela.

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。