Black-headed Night Monkey vs Lesser Siren

Aotus nigriceps compared with Siren intermedia

Taxonomic Classification

Rank	Black-headed Night Monkey	Lesser Siren
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Primates (Primates)	Caudata (Caudata)
Family	Aotidae	Sirenidae
Genus	Aotus	Siren
Species	Aotus nigriceps	Siren intermedia

Evolutionary Relationship

Black-headed Night Monkey and Lesser Siren share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Lesser Siren

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Siren

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Distributed across Belgium and Mexico.

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.