Gray-bellied Night Monkey vs northern night monkey

Aotus lemurinus compared with Aotus trivirgatus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while northern night monkey is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	northern 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 same	Aotidae	Aotidae
Genus same	Aotus	Aotus
Species	Aotus lemurinus	Aotus trivirgatus

Evolutionary Relationship

Gray-bellied Night Monkey and northern night monkey share a common ancestor at the Genus level: Aotus.

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

northern night monkey

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	northern night monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-bellied Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

northern night monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela