Gray-bellied Night Monkey vs Gray Mouse Opossum

Aotus lemurinus compared with Tlacuatzin canescens

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Gray Mouse Opossum is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Gray Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Didelphimorphia (Didelphimorphia)
Family	Aotidae	Didelphidae
Genus	Aotus	Tlacuatzin
Species	Aotus lemurinus	Tlacuatzin canescens

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Gray Mouse Opossum

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Gray Mouse Opossum
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.

Gray Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.