Nilgiri langur vs Spix s Night Monkey

Semnopithecus johnii compared with Aotus vociferans

Key Differences

• Nilgiri langur is Vulnerable while Spix s Night Monkey is Least Concern.

Taxonomic Classification

Rank	Nilgiri langur	Spix s Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Primates (Primates)	Primates (Primates)
Family	Cercopithecidae (Old World Monkeys)	Aotidae
Genus	Semnopithecus	Aotus
Species	Semnopithecus johnii	Aotus vociferans

Evolutionary Relationship

Nilgiri langur and Spix s Night Monkey share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

Nilgiri langur

VU — Vulnerable

Spix s Night Monkey

LC — Least Concern

Physical Characteristics

Attribute	Nilgiri langur	Spix s Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nilgiri langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Spix s Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.