Gray-bellied Night Monkey vs greater grison

Aotus lemurinus compared with Galictis vittata

Key Differences

• Gray-bellied Night Monkey is Vulnerable while greater grison is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	greater grison
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Carnivora (Carnivorans)
Family	Aotidae	Mustelidae (Weasels & Otters)
Genus	Aotus	Galictis
Species	Aotus lemurinus	Galictis vittata

Evolutionary Relationship

Gray-bellied Night Monkey and greater grison share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

greater grison

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	greater grison
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.

greater grison

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela