Leatherback Sea Turtle vs Red-Necked Grebe

Dermochelys coriacea compared with Podiceps grisegena

Key Differences

• Leatherback Sea Turtle is Vulnerable while Red-Necked Grebe is Not Evaluated.

Taxonomic Classification

Rank	Leatherback Sea Turtle	Red-Necked Grebe
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Reptilia (Reptiles)	Aves (Birds)
Order	Testudines (Turtles & Tortoises)	Podicipediformes (Podicipediformes)
Family	Cheloniidae (Sea Turtles)	Podicipedidae
Genus	Chelonia (Green Sea Turtles)	Podiceps
Species	Dermochelys coriacea	Podiceps grisegena

Evolutionary Relationship

Leatherback Sea Turtle and Red-Necked Grebe share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Red-Necked Grebe

NE — Not Evaluated

Physical Characteristics

Attribute	Leatherback Sea Turtle	Red-Necked Grebe
Diet	Carnivore	—
Average Lifespan	50 years	—
Average Length	2.0 m	—
Average Weight	500.0 kg	—

Habitat & Geographic Range

Leatherback 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 5 distinct biome types spanning the Australasia and Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Costa Rica, Indonesia, Malaysia, and Trinidad and Tobago. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Red-Necked Grebe

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

Leatherback Sea Turtle

The leatherback is the largest living turtle and the fourth-heaviest reptile. Unlike other turtles, it has a soft, leathery shell.

Red-Necked Grebe

Red-Necked Grebe (Podiceps grisegena) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.