Black-headed Night Monkey vs Black Howler Monkey

Aotus nigriceps compared with Alouatta pigra

Key Differences

• Black-headed Night Monkey is Least Concern while Black Howler Monkey is Endangered.

Taxonomic Classification

Rank	Black-headed Night Monkey	Black Howler 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	Aotidae	Atelidae
Genus	Aotus	Alouatta
Species	Aotus nigriceps	Alouatta pigra

Evolutionary Relationship

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

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Black Howler Monkey

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Black Howler Monkey

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.

Black Howler Monkey

The Black Howler Monkey (Alouatta pigra) is a species in the genus Alouatta. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.