Gray-bellied Night Monkey vs red-shanked douc

Aotus lemurinus compared with Pygathrix nemaeus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while red-shanked douc is Critically Endangered.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	red-shanked douc
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	Pygathrix
Species	Aotus lemurinus	Pygathrix nemaeus

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

red-shanked douc

CR — Critically Endangered

Physical Characteristics

Attribute	Gray-bellied Night Monkey	red-shanked douc
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.

red-shanked douc

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.