Gray-bellied Night Monkey vs Williamson's Mouse-deer

Aotus lemurinus compared with Tragulus williamsoni

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Williamson's Mouse-deer is Data Deficient.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Williamson's Mouse-deer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Artiodactyla (Even-toed Ungulates)
Family	Aotidae	Tragulidae
Genus	Aotus	Tragulus
Species	Aotus lemurinus	Tragulus williamsoni

Evolutionary Relationship

Gray-bellied Night Monkey and Williamson's Mouse-deer share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Williamson's Mouse-deer

DD — Data Deficient

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Williamson's Mouse-deer
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.

Williamson's Mouse-deer

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.