Leatherback Sea Turtle vs Bely Medved

Dermochelys coriacea compared with Ursus maritimus

Key Differences

• Leatherback Sea Turtle lives longer (50 years vs 25 years).

Taxonomic Classification

Rank	Leatherback Sea Turtle	Bely Medved
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Reptilia (пресмыкающиеся)	Mammalia (млекопитающие)
Order	Testudines (черепахи)	Carnivora (хищные)
Family	Cheloniidae (Sea Turtles)	Ursidae (Bears)
Genus	Chelonia (Green Sea Turtles)	Ursus (Bears)
Species	Dermochelys coriacea	Ursus maritimus

Evolutionary Relationship

Leatherback Sea Turtle and Bely Medved share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Bely Medved

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Leatherback Sea Turtle	Bely Medved
Diet	Carnivore	Carnivore
Average Lifespan	50 years	25 years
Average Length	2.0 m	2.4 m
Average Weight	500.0 kg	450.0 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.

Bely Medved

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Leatherback Sea Turtle

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

Bely Medved

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.