Black-tailed Hairy Dwarf Porcupine vs Leatherback Sea Turtle

Sphiggurus melanurus compared with Dermochelys coriacea

Key Differences

• Black-tailed Hairy Dwarf Porcupine is Least Concern while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Black-tailed Hairy Dwarf Porcupine	Leatherback Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Reptilia (Reptiles)
Order	Rodentia (Rodents)	Testudines (Turtles & Tortoises)
Family	Erethizontidae	Cheloniidae (Sea Turtles)
Genus	Sphiggurus	Chelonia (Green Sea Turtles)
Species	Sphiggurus melanurus	Dermochelys coriacea

Evolutionary Relationship

Black-tailed Hairy Dwarf Porcupine and Leatherback Sea Turtle share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-tailed Hairy Dwarf Porcupine

LC — Least Concern

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Black-tailed Hairy Dwarf Porcupine	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Black-tailed Hairy Dwarf Porcupine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

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.

Black-tailed Hairy Dwarf Porcupine

The Black-tailed Hairy Dwarf Porcupine (Sphiggurus melanurus) is a species in the genus Sphiggurus. It is currently classified as Least Concern on the IUCN Red List. Found in Venezuela.

Leatherback Sea Turtle

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