Gray-bellied Night Monkey vs Céphaplophe de Peter

Aotus lemurinus compared with Cephalophus callipygus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Céphaplophe de Peter is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Céphaplophe de Peter
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Primates (Primates)	Artiodactyla (Even-toed Ungulates)
Family	Aotidae	Bovidae (Bovids)
Genus	Aotus	Cephalophus
Species	Aotus lemurinus	Cephalophus callipygus

Evolutionary Relationship

Gray-bellied Night Monkey and Céphaplophe de Peter share a common ancestor at the Class level: Mammalia. (mammifères)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Céphaplophe de Peter

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Céphaplophe de Peter
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.

Céphaplophe de Peter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.