Gray-bellied Night Monkey vs Red Mouse Opossum

Aotus lemurinus compared with Marmosa rubra

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Red Mouse Opossum is Data Deficient.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Red 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	Marmosa
Species	Aotus lemurinus	Marmosa rubra

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Red Mouse Opossum

DD — Data Deficient

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Red 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.

Red Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador