Green Sea Turtle vs Long-tailed Sibia

Chelonia mydas compared with Heterophasia picaoides

Key Differences

• Green Sea Turtle is Endangered while Long-tailed Sibia is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	Long-tailed Sibia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Reptilia (Reptiles)	Aves (Birds)
Order	Testudines (Turtles & Tortoises)	Passeriformes (Songbirds)
Family	Cheloniidae (Sea Turtles)	Leiothrichidae
Genus	Chelonia (Green Sea Turtles)	Heterophasia
Species	Chelonia mydas	Heterophasia picaoides

Evolutionary Relationship

Green Sea Turtle and Long-tailed Sibia share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Long-tailed Sibia

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Long-tailed Sibia
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.

Long-tailed Sibia

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

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.