Gray-bellied Night Monkey vs Preuss s Red Colobus

Aotus lemurinus compared with Piliocolobus preussi

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Preuss s Red Colobus is Critically Endangered.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Preuss s Red Colobus
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	Aotidae	Cercopithecidae (Old World Monkeys)
Genus	Aotus	Piliocolobus
Species	Aotus lemurinus	Piliocolobus preussi

Evolutionary Relationship

Gray-bellied Night Monkey and Preuss s Red Colobus share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Preuss s Red Colobus

CR — Critically Endangered

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Preuss 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.

Preuss s Red Colobus

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.