Green Sea Turtle vs Ruddy Duck

Chelonia mydas compared with Oxyura jamaicensis

Key Differences

• Green Sea Turtle is Endangered while Ruddy Duck is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	Ruddy Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Reptilia (Reptiles)	Aves (Birds)
Order	Testudines (Turtles & Tortoises)	Anseriformes (Anseriformes)
Family	Cheloniidae (Sea Turtles)	Anatidae
Genus	Chelonia (Green Sea Turtles)	Oxyura
Species	Chelonia mydas	Oxyura jamaicensis

Evolutionary Relationship

Green Sea Turtle and Ruddy Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Ruddy Duck

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Ruddy Duck
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.

Ruddy Duck

Habitat

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

Range

Widely distributed across Africa (Algeria, Tunisia), Asia (Azerbaijan, Israel, Turkey), Europe (19 countries), North America (United States), and South America (Colombia, Ecuador).

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.

Ruddy Duck

Ruddy Duck (Oxyura jamaicensis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.