Leatherback Sea Turtle vs North Atlantic right whale

Dermochelys coriacea compared with Eubalaena glacialis

Key Differences

• Leatherback Sea Turtle is Vulnerable while North Atlantic right whale is Extinct.

Taxonomic Classification

Rank	Leatherback Sea Turtle	North Atlantic right whale
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Reptilia (สัตว์เลื้อยคลาน)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Testudines (เต่า)	Cetacea (Whales & Dolphins)
Family	Cheloniidae (Sea Turtles)	Balaenidae
Genus	Chelonia (Green Sea Turtles)	Eubalaena
Species	Dermochelys coriacea	Eubalaena glacialis

Evolutionary Relationship

Leatherback Sea Turtle and North Atlantic right whale share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

North Atlantic right whale

EX — Extinct

Physical Characteristics

Attribute	Leatherback Sea Turtle	North Atlantic right whale
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.

North Atlantic right whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Leatherback Sea Turtle

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