Giant Otter vs Gray-bellied Night Monkey

Pteronura brasiliensis compared with Aotus lemurinus

Key Differences

• Giant Otter is Endangered while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Giant Otter

EN — Endangered

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Giant Otter	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela