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 (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Primates (灵长目)	Primates (灵长目)
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. (灵长目)

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.