Gray-bellied Night Monkey vs Olivaceous Piculet

Aotus lemurinus compared with Picumnus olivaceus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Olivaceous Piculet is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Olivaceous Piculet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Piciformes (Piciformes)
Family	Aotidae	Picidae
Genus	Aotus	Picumnus
Species	Aotus lemurinus	Picumnus olivaceus

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Olivaceous Piculet

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Olivaceous Piculet
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.

Olivaceous Piculet

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Olivaceous Piculet

Olivaceous Piculet (Picumnus olivaceus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela