Green Sea Turtle vs Orange Crest

Chelonia mydas compared with Helcystogramma rufescens

Key Differences

• Green Sea Turtle is Endangered while Orange Crest is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	Orange Crest
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Reptilia (Reptiles)	Insecta (Insects)
Order	Testudines (Turtles & Tortoises)	Lepidoptera (Butterflies & Moths)
Family	Cheloniidae (Sea Turtles)	Gelechiidae
Genus	Chelonia (Green Sea Turtles)	Helcystogramma
Species	Chelonia mydas	Helcystogramma rufescens

Evolutionary Relationship

Green Sea Turtle and Orange Crest share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Orange Crest

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Orange Crest
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.

Orange Crest

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Green Sea Turtle

The green sea turtle is one of the largest sea turtles. They are named for the green color of their cartilage and fat, not their shells.