Gray-bellied Night Monkey vs Illiger's Saddle-back Tamarin

Aotus lemurinus compared with Leontocebus illigeri

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Illiger's Saddle-back Tamarin is Near Threatened.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Illiger's Saddle-back Tamarin
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order same	Primates (Primates)	Primates (Primates)
Family	Aotidae	Callitrichidae
Genus	Aotus	Leontocebus
Species	Aotus lemurinus	Leontocebus illigeri

Evolutionary Relationship

Gray-bellied Night Monkey and Illiger's Saddle-back Tamarin share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Illiger's Saddle-back Tamarin

NT — Near Threatened

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Illiger's Saddle-back Tamarin
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.

Illiger's Saddle-back Tamarin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.