Black Duiker vs River Tern

Cephalophus niger compared with Sterna aurantia

Key Differences

• Black Duiker is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Black Duiker	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Artiodactyla (Even-toed Ungulates)	Charadriiformes (Charadriiformes)
Family	Bovidae (Bovids)	Laridae
Genus	Cephalophus	Sterna
Species	Cephalophus niger	Sterna aurantia

Evolutionary Relationship

Black Duiker and River Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black Duiker

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Black Duiker	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Duiker

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

River Tern

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

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

Black Duiker

The Black Duiker (Cephalophus niger) 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.