Black-headed Night Monkey vs Nilgiri langur

Aotus nigriceps compared with Semnopithecus johnii

Key Differences

• Black-headed Night Monkey is Least Concern while Nilgiri langur is Vulnerable.

Taxonomic Classification

Rank	Black-headed Night Monkey	Nilgiri langur
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	Aotidae	Cercopithecidae (Old World Monkeys)
Genus	Aotus	Semnopithecus
Species	Aotus nigriceps	Semnopithecus johnii

Evolutionary Relationship

Black-headed Night Monkey and Nilgiri langur share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Nilgiri langur

VU — Vulnerable

Physical Characteristics

Attribute	Black-headed Night Monkey	Nilgiri langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Nilgiri langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Black-headed Night Monkey

The Black-headed Night Monkey (Aotus nigriceps) is a species in the genus Aotus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.