Australian humpback dolphin vs Common Eider

Sousa sahulensis compared with Somateria mollissima

Key Differences

• Australian humpback dolphin is Vulnerable while Common Eider is Near Threatened.

Taxonomic Classification

Rank	Australian humpback dolphin	Common Eider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Anseriformes (Anseriformes)
Family	Delphinidae (Oceanic Dolphins)	Anatidae
Genus	Sousa	Somateria
Species	Sousa sahulensis	Somateria mollissima

Evolutionary Relationship

Australian humpback dolphin and Common Eider share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Australian humpback dolphin

VU — Vulnerable

Common Eider

NT — Near Threatened

Physical Characteristics

Attribute	Australian humpback dolphin	Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Australian humpback dolphin

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.

Australian humpback dolphin

The Australian humpback dolphin (Sousa sahulensis) is a species in the genus Sousa. It is currently classified as Vulnerable 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.