Black-headed Night Monkey vs Indochinese Gray Langur

Aotus nigriceps compared with Trachypithecus crepusculus

Key Differences

• Black-headed Night Monkey is Least Concern while Indochinese Gray Langur is Endangered.

Taxonomic Classification

Rank	Black-headed Night Monkey	Indochinese Gray Langur
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order same	Primates (อันดับวานร)	Primates (อันดับวานร)
Family	Aotidae	Cercopithecidae (Old World Monkeys)
Genus	Aotus	Trachypithecus
Species	Aotus nigriceps	Trachypithecus crepusculus

Evolutionary Relationship

Black-headed Night Monkey and Indochinese Gray Langur share a common ancestor at the Order level: Primates. (อันดับวานร)

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Indochinese Gray Langur

EN — Endangered

Physical Characteristics

Attribute	Black-headed Night Monkey	Indochinese Gray Langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Indochinese Gray 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.