Green Sea Turtle vs Ruddy Darter

Chelonia mydas compared with Sympetrum sanguineum

Key Differences

• Green Sea Turtle is Endangered while Ruddy Darter is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	Ruddy Darter
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)	Sympetrum
Species	Chelonia mydas	Sympetrum sanguineum

Evolutionary Relationship

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

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Ruddy Darter

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Ruddy Darter
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.

Ruddy Darter

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

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。

Ruddy Darter

Ruddy Darter（Sympetrum sanguineum）は IUCN レッドリストで軽度懸念（LC）に分類されている。分布域全体に広く分布し個体数も豊富で、個体群は安定しており差し迫った保全上の懸念はない。