Great White Pelican vs Green Sea Turtle

Pelecanus onocrotalus compared with Chelonia mydas

Key Differences

• Great White Pelican is Not Evaluated while Green Sea Turtle is Endangered.
• Great White Pelican is carnivore while Green Sea Turtle is herbivore.
• Green Sea Turtle is 20.0x heavier than Great White Pelican.
• Green Sea Turtle lives longer (80 years vs 30 years).

Taxonomic Classification

Rank	Great White Pelican	Green Sea Turtle
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Aves (นก)	Reptilia (สัตว์เลื้อยคลาน)
Order	Pelecaniformes (อันดับนกกระทุง)	Testudines (เต่า)
Family	Pelecanidae	Cheloniidae (Sea Turtles)
Genus	Pelecanus	Chelonia (Green Sea Turtles)
Species	Pelecanus onocrotalus	Chelonia mydas

Evolutionary Relationship

Great White Pelican and Green Sea Turtle share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Great White Pelican

NE — Not Evaluated

Trend: Stable →

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Great White Pelican	Green Sea Turtle
Diet	Carnivore	Herbivore
Average Lifespan	30 years	80 years
Average Length	1.6 m	1.2 m
Average Weight	10.0 kg	200.0 kg

Habitat & Geographic Range

Great White Pelican

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (9 countries).

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.

Great White Pelican

One of the world's largest pelicans, great white pelicans have wingspans reaching 3.6 meters and inhabit shallow lakes and wetlands across Europe, Africa, and Asia. Social birds breeding in large colonies and foraging cooperatively — groups of pelicans corral fish into shallow water before scooping them in their expandable throat pouches. Their pouches can hold up to 13 liters of water. Listed as Least Concern globally with stable populations.

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.