King duck

Weight

1.62 kg – 1.71 kg

Length

Not recorded

Lifespan

18.9 years

Diet

Aquatic predator

Main food

Not recorded

Habitat

marine

Egg incubation

23.3 days

Young per litter or clutch

4.7

Age at maturity

2 years – 2.24 years

Litters or clutches a year

1

Lifestyle

Aquatic

Migration

Migratory

Conservation status

Not recorded

Countries on record

Not recorded

Not recorded

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

1. kingdomAnimalia
2. phylumChordata
3. classAves
4. orderAnseriformes
5. familyAnatidae
6. genusSomateria
7. SpeciesSomateria spectabilis (Linnaeus, 1758)

Synonyms Anas beringii, Anas spectabilis, Anas superba, Anser beringii, Fuligula spectabilis, Platypus altensteinii

Catalogue of Life

NT, Near Threatened

Common eider

Somateria mollissima

Anatidae

F

Fischer's eider

Somateria fischeri

AnatidaeNo free photo yet

C

Common eider x king eider

Somateria mollissima x spectabilis

AnatidaeNo free photo yet

CompareKing duck vs Common eiderKing duck vs Fischer's eiderKing duck vs Common eider x king eider

• An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
  Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1
• AmphiBIO, a global database for amphibian ecological traits · CC BY 4.0 · v1
  Oliveira, B.F., São-Pedro, V.A., Santos-Barrera, G., Penone, C. & Costa, G.C. (2017) AmphiBIO, a global database for amphibian ecological traits. Scientific Data 4: 170123. https://doi.org/10.1038/sdata.2017.123. Data: https://doi.org/10.6084/m9.figshare.4644424.v5
• AVONET: morphological, ecological and geographical data for all birds · CC BY 4.0 · v7
  Tobias, J.A. et al. (2022) AVONET: morphological, ecological and geographical data for all birds. Ecology Letters 25: 581–597. https://doi.org/10.1111/ele.13898. Data: https://doi.org/10.6084/m9.figshare.16586228.v7
• Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
  Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
• Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
  Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence).
• EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
  Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1
• Wikidata · CC0 1.0 · 2026-11-11
  Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service).
• Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
  Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).

@misc{king_duck_2026,
  title = {King duck (Somateria spectabilis)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/king-duck},
  note = {Data as of 2026-11-11}
}