Downy Emerald vs Green Sea Turtle

Cordulia aenea compared with Chelonia mydas

Key Differences

• Downy Emerald is Least Concern while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Downy Emerald	Green Sea Turtle
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Arthropoda (節足動物)	Chordata (脊索動物)
Class	Insecta (昆虫)	Reptilia (爬虫類)
Order	Odonata (蜻蛉目)	Testudines (カメ)
Family	Corduliidae	Cheloniidae (Sea Turtles)
Genus	Cordulia	Chelonia (Green Sea Turtles)
Species	Cordulia aenea	Chelonia mydas

Evolutionary Relationship

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

Conservation Status

Downy Emerald

LC — Least Concern

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Downy Emerald	Green Sea Turtle
Diet	—	Herbivore
Average Lifespan	—	80 years
Average Length	—	1.2 m
Average Weight	—	200.0 kg

Habitat & Geographic Range

Downy Emerald

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

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.

Downy Emerald

ダウニーエメラルド（Cordulia aenea）は、IUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体にわたって広く生息し、個体群は安定しており、直接的な保全上の懸念はありません。

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。