Aders' duiker vs Black-edged Marble

Cephalophus adersi compared with Endothenia nigricostana

Key Differences

• Aders' duiker is Critically Endangered while Black-edged Marble is Near Threatened.

Taxonomic Classification

Rank	Aders' duiker	Black-edged Marble
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Artiodactyla (Even-toed Ungulates)	Lepidoptera (Butterflies & Moths)
Family	Bovidae (Bovids)	Tortricidae
Genus	Cephalophus	Endothenia
Species	Cephalophus adersi	Endothenia nigricostana

Evolutionary Relationship

Aders' duiker and Black-edged Marble share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Aders' duiker

CR — Critically Endangered

Black-edged Marble

NT — Near Threatened

Physical Characteristics

Attribute	Aders' duiker	Black-edged Marble
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.

Black-edged Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Black-edged Marble

The Black-edged Marble (Endothenia nigricostana) is a species in the genus Endothenia. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.