Leatherback Sea Turtle vs Oso Polar

Dermochelys coriacea compared with Ursus maritimus

Key Differences

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

Taxonomic Classification

Rank	Leatherback Sea Turtle	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Reptilia (reptil)	Mammalia (mamíferos)
Order	Testudines (Turtles & Tortoises)	Carnivora (carnívoros)
Family	Cheloniidae (Sea Turtles)	Ursidae (Bears)
Genus	Chelonia (Green Sea Turtles)	Ursus (Bears)
Species	Dermochelys coriacea	Ursus maritimus

Evolutionary Relationship

Leatherback Sea Turtle and Oso Polar share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Leatherback Sea Turtle	Oso Polar
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.

Oso Polar

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

La tortuga laúd es la tortuga viva más grande y el cuarto reptil más pesado. A diferencia de otras tortugas, posee un caparazón blando y coriáceo.

Oso Polar

El mayor carnivoro terrestre de la Tierra, el oso polar puede superar los 700 kg y se encuentra en el hielo marino del Artico, desde Canada hasta Rusia. Es un mamifero marino altamente especializado que depende del hielo marino para cazar focas anilladas y barbadas. Excelente nadador capaz de cubrir grandes distancias en agua abierta. Clasificado como Vulnerable, sus poblaciones soportan una presion severa por la rapida perdida de hielo marino artico debida al cambio climatico.