Gray-bellied Night Monkey vs Hairy-nosed otter

Aotus lemurinus compared with Lutra sumatrana

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Hairy-nosed otter is Endangered.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Hairy-nosed 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	Lutra (Otters)
Species	Aotus lemurinus	Lutra sumatrana

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Hairy-nosed otter

EN — Endangered

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Hairy-nosed 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.

Hairy-nosed otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.