Oso negro vs Leatherback Sea Turtle

Ursus americanus compared with Dermochelys coriacea

Key Differences

Oso negro is Least Concern while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

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

Evolutionary Relationship

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

Vista Phylum: Chordata

Conservation Status

Oso negro

LC — Least Concern

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Oso negro	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Oso negro

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

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 negro

The American black bear (Ursus americanus) is a species in the genus Ursus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.