Common Eider vs Cuvier's beaked whale

Somateria mollissima compared with Ziphius cavirostris

Key Differences

• Common Eider is Near Threatened while Cuvier's beaked whale is Least Concern.

Taxonomic Classification

Rank	Common Eider	Cuvier's beaked whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Cetacea (Whales & Dolphins)
Family	Anatidae	Hyperoodontidae
Genus	Somateria	Ziphius
Species	Somateria mollissima	Ziphius cavirostris

Evolutionary Relationship

Common Eider and Cuvier's beaked whale share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Eider

NT — Near Threatened

Cuvier's beaked whale

LC — Least Concern

Physical Characteristics

Attribute	Common Eider	Cuvier's beaked whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Cuvier's beaked whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden