Gray-bellied Night Monkey vs Guinea pig

Aotus lemurinus compared with Cavia porcellus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Guinea pig is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Guinea pig
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	Cavia
Species	Aotus lemurinus	Cavia porcellus

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Guinea pig

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Guinea pig
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.

Guinea pig

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Europe (6 countries), North America (Cuba), Oceania and the Pacific (Australia), and South America (Colombia, Ecuador).

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador