Irrawaddy dolphin vs King/Common Eider

Orcaella brevirostris compared with Somateria spectabilis

Key Differences

• Irrawaddy dolphin is Endangered while King/Common Eider is Not Evaluated.

Taxonomic Classification

Rank	Irrawaddy dolphin	King/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	Orcaella	Somateria
Species	Orcaella brevirostris	Somateria spectabilis

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

King/Common Eider

NE — Not Evaluated

Physical Characteristics

Attribute	Irrawaddy dolphin	King/Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

King/Common Eider

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.