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 (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Primates (灵长目)	Primates (灵长目)
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. (灵长目)

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.