Aders' duiker vs Nilgiri langur

Cephalophus adersi compared with Semnopithecus johnii

Key Differences

• Aders' duiker is Critically Endangered while Nilgiri langur is Vulnerable.

Taxonomic Classification

Rank	Aders' duiker	Nilgiri langur
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)	Cercopithecidae (Old World Monkeys)
Genus	Cephalophus	Semnopithecus
Species	Cephalophus adersi	Semnopithecus johnii

Evolutionary Relationship

Aders' duiker and Nilgiri langur share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Aders' duiker

CR — Critically Endangered

Nilgiri langur

VU — Vulnerable

Physical Characteristics

Attribute	Aders' duiker	Nilgiri langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aders' duiker

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 5 distinct biome types within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Kenya. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Nilgiri langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Aders' duiker

The Aders' duiker (Cephalophus adersi) is a species in the genus Cephalophus. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 5 distinct biome types within the Afrotropic biogeo.