Gray-bellied Night Monkey vs Variable Chachalaca / Little Chachalaca

Aotus lemurinus compared with Ortalis motmot

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Variable Chachalaca / Little Chachalaca is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Variable Chachalaca / Little Chachalaca
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Galliformes (Galliformes)
Family	Aotidae	Cracidae
Genus	Aotus	Ortalis
Species	Aotus lemurinus	Ortalis motmot

Evolutionary Relationship

Gray-bellied Night Monkey and Variable Chachalaca / Little Chachalaca share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Variable Chachalaca / Little Chachalaca

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Variable Chachalaca / Little Chachalaca
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.

Variable Chachalaca / Little Chachalaca

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