Amazon Black Howler vs Black-headed Night Monkey

Alouatta nigerrima compared with Aotus nigriceps

Taxonomic Classification

Rank	Amazon Black Howler	Black-headed 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	Atelidae	Aotidae
Genus	Alouatta	Aotus
Species	Alouatta nigerrima	Aotus nigriceps

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Black-headed Night Monkey

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Amazon Black Howler

The Amazon Black Howler (Alouatta nigerrima) is a species in the genus Alouatta. It is currently classified as Least Concern on the IUCN Red List. 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.