Gray-bellied Night Monkey vs Pygmy three-toed sloth

Aotus lemurinus compared with Bradypus pygmaeus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Pygmy three-toed sloth is Critically Endangered.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Pygmy three-toed sloth
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Pilosa (Sloths & Anteaters)
Family	Aotidae	Bradypodidae (Three-toed Sloths)
Genus	Aotus	Bradypus (Three-toed Sloths)
Species	Aotus lemurinus	Bradypus pygmaeus

Evolutionary Relationship

Gray-bellied Night Monkey and Pygmy three-toed sloth share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Pygmy three-toed sloth

CR — Critically Endangered

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Pygmy three-toed sloth
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.

Pygmy three-toed sloth

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.