Black-fronted Duiker vs Gray-bellied Night Monkey

Cephalophus nigrifrons compared with Aotus lemurinus

Key Differences

• Black-fronted Duiker is Least Concern while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

Rank	Black-fronted Duiker	Gray-bellied Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Artiodactyla (Even-toed Ungulates)	Primates (Primates)
Family	Bovidae (Bovids)	Aotidae
Genus	Cephalophus	Aotus
Species	Cephalophus nigrifrons	Aotus lemurinus

Evolutionary Relationship

Black-fronted Duiker and Gray-bellied Night Monkey share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Black-fronted Duiker

LC — Least Concern

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Black-fronted Duiker	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-fronted Duiker

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Black-fronted Duiker

The Black-fronted Duiker (Cephalophus nigrifrons) is a species in the genus Cephalophus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.