Gray-bellied Night Monkey vs Savannah Oecomys

Aotus lemurinus compared with Oecomys speciosus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Savannah Oecomys is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Savannah Oecomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Rodentia (Rodents)
Family	Aotidae	Cricetidae
Genus	Aotus	Oecomys
Species	Aotus lemurinus	Oecomys speciosus

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Savannah Oecomys

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Savannah Oecomys
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.

Savannah Oecomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela