Common Eider vs Foca Pia

Somateria mollissima compared with Pagophilus groenlandicus

Key Differences

• Common Eider is Near Threatened while Foca Pia is Not Evaluated.

Taxonomic Classification

Rank	Common Eider	Foca Pia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Pinnipedia (Seals & Sea Lions)
Family	Anatidae	Phocidae (True Seals)
Genus	Somateria	Pagophilus
Species	Somateria mollissima	Pagophilus groenlandicus

Evolutionary Relationship

Common Eider and Foca Pia share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Eider

NT — Near Threatened

Foca Pia

NE — Not Evaluated

Physical Characteristics

Attribute	Common Eider	Foca Pia
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.

Foca Pia

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

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