Delacour's langur vs northern night monkey

Trachypithecus delacouri compared with Aotus trivirgatus

Key Differences

• Delacour's langur is Critically Endangered while northern night monkey is Least Concern.

Taxonomic Classification

Rank	Delacour's langur	northern 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	Cercopithecidae (Old World Monkeys)	Aotidae
Genus	Trachypithecus	Aotus
Species	Trachypithecus delacouri	Aotus trivirgatus

Evolutionary Relationship

Delacour's langur and northern night monkey share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

Delacour's langur

CR — Critically Endangered

northern night monkey

LC — Least Concern

Physical Characteristics

Attribute	Delacour's langur	northern night monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Delacour's langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

northern night monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.