Golden Thomasomys vs Gray-bellied Night Monkey

Thomasomys aureus compared with Aotus lemurinus

Key Differences

• Golden Thomasomys is Least Concern while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Golden Thomasomys

LC — Least Concern

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Golden Thomasomys	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Golden Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela