Green Sea Turtle vs Northern elephant seal

Chelonia mydas compared with Mirounga angustirostris

Key Differences

• Green Sea Turtle is Endangered while Northern elephant seal is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	Northern elephant seal
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Reptilia (爬虫類)	Mammalia (哺乳類)
Order	Testudines (カメ)	Pinnipedia (Seals & Sea Lions)
Family	Cheloniidae (Sea Turtles)	Phocidae (True Seals)
Genus	Chelonia (Green Sea Turtles)	Mirounga
Species	Chelonia mydas	Mirounga angustirostris

Evolutionary Relationship

Green Sea Turtle and Northern elephant seal share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Northern elephant seal

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Northern elephant seal
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.

Northern elephant seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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。