Gray-bellied Night Monkey vs White-necked Puffbird

Aotus lemurinus compared with Notharchus hyperrhynchus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while White-necked Puffbird is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	White-necked Puffbird
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Piciformes (Piciformes)
Family	Aotidae	Bucconidae
Genus	Aotus	Notharchus
Species	Aotus lemurinus	Notharchus hyperrhynchus

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

White-necked Puffbird

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	White-necked Puffbird
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.

White-necked Puffbird

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela