Black-fronted Duiker vs Common Eider

Cephalophus nigrifrons compared with Somateria mollissima

Key Differences

• Black-fronted Duiker is Least Concern while Common Eider is Near Threatened.

Taxonomic Classification

Rank	Black-fronted Duiker	Common Eider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Artiodactyla (Even-toed Ungulates)	Anseriformes (Anseriformes)
Family	Bovidae (Bovids)	Anatidae
Genus	Cephalophus	Somateria
Species	Cephalophus nigrifrons	Somateria mollissima

Evolutionary Relationship

Black-fronted Duiker and Common Eider share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-fronted Duiker

LC — Least Concern

Common Eider

NT — Near Threatened

Physical Characteristics

Attribute	Black-fronted Duiker	Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-fronted Duiker

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Eider

Habitat

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

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Common Eider

Common Eider (Somateria mollissima) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.