Ardilla Gris Oriental vs koala

Sciurus carolinensis compared with Phascolarctos cinereus

Key Differences

• Ardilla Gris Oriental is Not Evaluated while koala is Vulnerable.
• Ardilla Gris Oriental is omnivore while koala is herbivore.
• koala is 20.0x heavier than Ardilla Gris Oriental.
• koala lives longer (15 years vs 6 years).

Taxonomic Classification

Rank	Ardilla Gris Oriental	koala
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Rodentia (啮齿目)	Diprotodontia (雙門齒目)
Family	Sciuridae (Squirrels)	Phascolarctidae (Koalas)
Genus	Sciurus (Tree Squirrels)	Phascolarctos (Koalas)
Species	Sciurus carolinensis	Phascolarctos cinereus

Evolutionary Relationship

Ardilla Gris Oriental and koala share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Ardilla Gris Oriental

NE — Not Evaluated

Trend: Stable →

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Ardilla Gris Oriental	koala
Diet	Omnivore	Herbivore
Average Lifespan	6 years	15 years
Average Length	25 cm	75 cm
Average Weight	500 g	10.0 kg

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).

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found in Australia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Ardilla Gris Oriental

东部灰松鼠（Sciurus carolinensis）原产于北美东部，因其适应城市环境的能力而在全球许多地区被引入。该物种的保护状态为无危（LC），但在英国和意大利等地，它被视为入侵物种，威胁本地红松鼠的生存。

koala

澳大利亚东部和东南部的标志性有袋类动物，体重最大可达15千克，为了节省低热量桉树叶食物所提供的能量，每天最多睡眠22小时。高度特化，能够处理会致大多数其他哺乳动物死亡的有毒桉树成分，拥有专门适应解毒功能的肠道微生物群。因衣原体病、栖息地开发和气候变化导致种群锐减，2022年被列为濒危物种。