Gray-bellied Night Monkey vs Neotropical otter

Aotus lemurinus compared with Lontra longicaudis

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Neotropical otter is Data Deficient.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Neotropical otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Carnivora (Carnivorans)
Family	Aotidae	Mustelidae (Weasels & Otters)
Genus	Aotus	Lontra
Species	Aotus lemurinus	Lontra longicaudis

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Neotropical otter

DD — Data Deficient

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Neotropical otter
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.

Neotropical otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela