Common Tern vs Green Sea Turtle

Sterna hirundo compared with Chelonia mydas

Taxonomic Classification

Rank	Common Tern	Green Sea Turtle
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Aves (새)	Reptilia (파충류)
Order	Charadriiformes (도요목)	Testudines (거북)
Family	Laridae	Cheloniidae (Sea Turtles)
Genus	Sterna	Chelonia (Green Sea Turtles)
Species	Sterna hirundo	Chelonia mydas

Evolutionary Relationship

Common Tern and Green Sea Turtle share a common ancestor at the Phylum level: Chordata. (척삭동물)

보기 Phylum: Chordata

Conservation Status

Common Tern

EN — Endangered

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Common Tern

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.