Gray-bellied Night Monkey vs Peters' Duiker

Aotus lemurinus compared with Cephalophus callipygus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Peters' Duiker is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Peters' Duiker
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order	Primates (bộ Linh trưởng)	Artiodactyla (Bộ Guốc chẵn)
Family	Aotidae	Bovidae (Bovids)
Genus	Aotus	Cephalophus
Species	Aotus lemurinus	Cephalophus callipygus

Evolutionary Relationship

Gray-bellied Night Monkey and Peters' Duiker share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Peters' Duiker

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Peters' Duiker
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.

Peters' Duiker

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.