Chinese Crested Tern vs Green Sea Turtle

Thalasseus bernsteini compared with Chelonia mydas

Key Differences

• Chinese Crested Tern is Critically Endangered while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Chinese Crested Tern	Green Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Reptilia (Reptiles)
Order	Charadriiformes (Charadriiformes)	Testudines (Turtles & Tortoises)
Family	Laridae	Cheloniidae (Sea Turtles)
Genus	Thalasseus	Chelonia (Green Sea Turtles)
Species	Thalasseus bernsteini	Chelonia mydas

Evolutionary Relationship

Chinese Crested Tern and Green Sea Turtle share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chinese Crested Tern

CR — Critically Endangered

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Chinese Crested Tern

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Distributed across Norway and Taiwan. Currently classified as Critically 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.

Chinese Crested Tern

The Chinese Crested Tern (Thalasseus bernsteini) is a species in the genus Thalasseus. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

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.