Gray-bellied Night Monkey vs Lesser Spot-nosed Monkey

Aotus lemurinus compared with Cercopithecus petaurista

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Lesser Spot-nosed Monkey is Near Threatened.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Lesser Spot-nosed Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Primates (Primates)	Primates (Primates)
Family	Aotidae	Cercopithecidae (Old World Monkeys)
Genus	Aotus	Cercopithecus
Species	Aotus lemurinus	Cercopithecus petaurista

Evolutionary Relationship

Gray-bellied Night Monkey and Lesser Spot-nosed Monkey share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Lesser Spot-nosed Monkey

NT — Near Threatened

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Lesser Spot-nosed Monkey
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.

Lesser Spot-nosed Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.