bare-eared squirrel monkey vs Gray-bellied Night Monkey

Saimiri ustus compared with Aotus lemurinus

Key Differences

• bare-eared squirrel monkey is Near Threatened while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

Rank	bare-eared squirrel monkey	Gray-bellied Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Primates (Primates)	Primates (Primates)
Family	Cebidae	Aotidae
Genus	Saimiri	Aotus
Species	Saimiri ustus	Aotus lemurinus

Evolutionary Relationship

bare-eared squirrel monkey and Gray-bellied Night Monkey share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

bare-eared squirrel monkey

NT — Near Threatened

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	bare-eared squirrel monkey	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

bare-eared squirrel monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

bare-eared squirrel monkey

The Bare-eared squirrel monkey (Saimiri ustus) is a species in the genus Saimiri. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.