Common Eider vs Irrawaddy dolphin

Somateria mollissima compared with Orcaella brevirostris

Key Differences

• Common Eider is Near Threatened while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	Common Eider	Irrawaddy dolphin
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Aves (طيور)	Mammalia (ثدييات)
Order	Anseriformes (إوزيات)	Cetacea (Whales & Dolphins)
Family	Anatidae	Delphinidae (Oceanic Dolphins)
Genus	Somateria	Orcaella
Species	Somateria mollissima	Orcaella brevirostris

Evolutionary Relationship

Common Eider and Irrawaddy dolphin share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

Common Eider

NT — Near Threatened

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	Common Eider	Irrawaddy dolphin
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.

Irrawaddy dolphin

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.