Gray-bellied Night Monkey vs Long-nosed Scolomys

Aotus lemurinus compared with Scolomys ucayalensis

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Long-nosed Scolomys is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Long-nosed Scolomys
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	Scolomys
Species	Aotus lemurinus	Scolomys ucayalensis

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Long-nosed Scolomys

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Long-nosed Scolomys
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.

Long-nosed Scolomys

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