Green Sea Turtle vs Ruby-Crowned Kinglet

Chelonia mydas compared with Regulus calendula

Key Differences

• Green Sea Turtle is Endangered while Ruby-Crowned Kinglet is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	Ruby-Crowned Kinglet
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)	Regulidae
Genus	Chelonia (Green Sea Turtles)	Regulus
Species	Chelonia mydas	Regulus calendula

Evolutionary Relationship

Green Sea Turtle and Ruby-Crowned Kinglet share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Ruby-Crowned Kinglet

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Ruby-Crowned Kinglet
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.

Ruby-Crowned Kinglet

Habitat

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

Range

Distributed across Norway and United States.

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.