Gray-bellied Night Monkey vs Lesser Short-tailed Rat

Aotus lemurinus compared with Brachyuromys betsileoensis

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Lesser Short-tailed Rat is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Lesser Short-tailed Rat
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	Nesomyidae
Genus	Aotus	Brachyuromys
Species	Aotus lemurinus	Brachyuromys betsileoensis

Evolutionary Relationship

Gray-bellied Night Monkey and Lesser Short-tailed Rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Lesser Short-tailed Rat

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Lesser Short-tailed Rat
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.

Lesser Short-tailed Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.