Green Sea Turtle vs Keeled Skimmer

Chelonia mydas compared with Orthetrum coerulescens

Key Differences

• Green Sea Turtle is Endangered while Keeled Skimmer is Vulnerable.

Taxonomic Classification

Rank	Green Sea Turtle	Keeled Skimmer
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Reptilia (爬虫類)	Insecta (昆虫)
Order	Testudines (カメ)	Odonata (蜻蛉目)
Family	Cheloniidae (Sea Turtles)	Libellulidae
Genus	Chelonia (Green Sea Turtles)	Orthetrum
Species	Chelonia mydas	Orthetrum coerulescens

Evolutionary Relationship

Green Sea Turtle and Keeled Skimmer share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Keeled Skimmer

VU — Vulnerable

Physical Characteristics

Attribute	Green Sea Turtle	Keeled Skimmer
Diet	Herbivore	—
Average Lifespan	80 years	—
Average Length	1.2 m	—
Average Weight	200.0 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.

Keeled Skimmer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Green Sea Turtle

アオウミガメは最も大きなウミガメの一つです。甲羅ではなく軟骨と脂肪の緑色に由来して名付けられました。

Keeled Skimmer

シオカラトンボ類（Orthetrum coerulescens）はIUCNレッドリストで危急（VU）に分類されている。野生での絶滅リスクが高く、個体数が減少し、生息地への圧力が増加している。