Gray-bellied Night Monkey vs Roloway Monkey

Aotus lemurinus compared with Cercopithecus roloway

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Roloway Monkey is Critically Endangered.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Roloway 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 roloway

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Roloway Monkey

CR — Critically Endangered

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Roloway 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.

Roloway Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.