Gray-bellied Night Monkey vs Lesser Capybara

Aotus lemurinus compared with Hydrochoerus isthmius

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Lesser Capybara is Data Deficient.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Lesser Capybara
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	Caviidae
Genus	Aotus	Hydrochoerus
Species	Aotus lemurinus	Hydrochoerus isthmius

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Lesser Capybara

DD — Data Deficient

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Lesser Capybara
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 Capybara

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela