Annamese Langur vs Ardilla Gris Oriental

Trachypithecus margarita compared with Sciurus carolinensis

Key Differences

• Annamese Langur is Endangered while Ardilla Gris Oriental is Not Evaluated.

Taxonomic Classification

Rank	Annamese Langur	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	Primates (サル目)	Rodentia (ネズミ目)
Family	Cercopithecidae (Old World Monkeys)	Sciuridae (Squirrels)
Genus	Trachypithecus	Sciurus (Tree Squirrels)
Species	Trachypithecus margarita	Sciurus carolinensis

Evolutionary Relationship

Annamese Langur and Ardilla Gris Oriental share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Annamese Langur

EN — Endangered

Ardilla Gris Oriental

NE — Not Evaluated

Trend: Stable →

Physical Characteristics

Attribute	Annamese Langur	Ardilla Gris Oriental
Diet	—	Omnivore
Average Lifespan	—	6 years
Average Length	—	25 cm
Average Weight	—	500 g

Habitat & Geographic Range

Annamese Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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).

Annamese Langur

The Annamese Langur (Trachypithecus margarita) is a species in the genus Trachypithecus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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。