Gray-bellied Night Monkey vs Peruvian Yellow-tailed Woolly Monkey

Aotus lemurinus compared with Lagothrix flavicauda

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Peruvian Yellow-tailed Woolly Monkey is Critically Endangered.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Peruvian Yellow-tailed Woolly 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	Atelidae
Genus	Aotus	Lagothrix
Species	Aotus lemurinus	Lagothrix flavicauda

Evolutionary Relationship

Gray-bellied Night Monkey and Peruvian Yellow-tailed Woolly Monkey share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Peruvian Yellow-tailed Woolly Monkey

CR — Critically Endangered

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Peruvian Yellow-tailed Woolly 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.

Peruvian Yellow-tailed Woolly Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.