Common Eider vs Hector’s Beaked Whale

Somateria mollissima compared with Mesoplodon hectori

Key Differences

• Common Eider is Near Threatened while Hector’s Beaked Whale is Data Deficient.

Taxonomic Classification

Rank	Common Eider	Hector’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	Mesoplodon
Species	Somateria mollissima	Mesoplodon hectori

Evolutionary Relationship

Common Eider and Hector’s Beaked Whale share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Eider

NT — Near Threatened

Hector’s Beaked Whale

DD — Data Deficient

Physical Characteristics

Attribute	Common Eider	Hector’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.

Hector’s Beaked Whale

Habitat

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.