Gray-bellied Night Monkey vs Gray-chested Greenlet

Aotus lemurinus compared with Hylophilus semicinereus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Gray-chested Greenlet is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Gray-chested Greenlet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Aotidae	Vireonidae
Genus	Aotus	Hylophilus
Species	Aotus lemurinus	Hylophilus semicinereus

Evolutionary Relationship

Gray-bellied Night Monkey and Gray-chested Greenlet share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Gray-chested Greenlet

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Gray-chested Greenlet
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.

Gray-chested Greenlet

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Norway, and Venezuela.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela