Green Sea Turtle vs koala

Chelonia mydas compared with Phascolarctos cinereus

Key Differences

• Green Sea Turtle is Endangered while koala is Vulnerable.
• Green Sea Turtle is 20.0x heavier than koala.
• Green Sea Turtle lives longer (80 years vs 15 years).

Taxonomic Classification

Rank	Green Sea Turtle	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	Reptilia (爬行纲)	Mammalia (哺乳動物)
Order	Testudines (龟鳖目)	Diprotodontia (雙門齒目)
Family	Cheloniidae (Sea Turtles)	Phascolarctidae (Koalas)
Genus	Chelonia (Green Sea Turtles)	Phascolarctos (Koalas)
Species	Chelonia mydas	Phascolarctos cinereus

Evolutionary Relationship

Green Sea Turtle and koala share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Green Sea Turtle	koala
Diet	Herbivore	Herbivore
Average Lifespan	80 years	15 years
Average Length	1.2 m	75 cm
Average Weight	200.0 kg	10.0 kg

Habitat & Geographic Range

Green Sea Turtle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Brazil, Costa Rica, Indonesia, and Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Green Sea Turtle

绿海龟是最大的海龟之一。其名称源于软骨和脂肪的绿色，而非龟壳的颜色。

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。

Shared Countries

Both species can be found in 1 countries:

🇦🇺 Australia