Assam Macaque vs Leatherback Sea Turtle

Macaca assamensis compared with Dermochelys coriacea

Key Differences

• Assam Macaque is Near Threatened while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Assam Macaque	Leatherback Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Reptilia (Reptiles)
Order	Primates (Primates)	Testudines (Turtles & Tortoises)
Family	Cercopithecidae (Old World Monkeys)	Cheloniidae (Sea Turtles)
Genus	Macaca	Chelonia (Green Sea Turtles)
Species	Macaca assamensis	Dermochelys coriacea

Evolutionary Relationship

Assam Macaque and Leatherback Sea Turtle share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Assam Macaque

NT — Near Threatened

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Assam Macaque

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Assam Macaque

The Assam Macaque (Macaca assamensis) is a species in the genus Macaca. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Leatherback Sea Turtle

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