Gray-bellied Night Monkey vs Tocantins Laucha

Aotus lemurinus compared with Calomys tocantinsi

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Tocantins Laucha is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Tocantins Laucha
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	Calomys
Species	Aotus lemurinus	Calomys tocantinsi

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Tocantins Laucha

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Tocantins Laucha
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.

Tocantins Laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.