Gray-bellied Night Monkey vs Oustalet's Red Colobus

Aotus lemurinus compared with Piliocolobus oustaleti

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Oustalet's Red Colobus
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order same	Primates (bộ Linh trưởng)	Primates (bộ Linh trưởng)
Family	Aotidae	Cercopithecidae (Old World Monkeys)
Genus	Aotus	Piliocolobus
Species	Aotus lemurinus	Piliocolobus oustaleti

Evolutionary Relationship

Gray-bellied Night Monkey and Oustalet's Red Colobus share a common ancestor at the Order level: Primates. (bộ Linh trưởng)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Oustalet's Red Colobus

VU — Vulnerable

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Oustalet's Red Colobus
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.

Oustalet's Red Colobus

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.