Long-tailed Duck

About the Long-tailed Duck

Also known as: Oldsquaw
The Long-tailed Duck is a medium-sized sea duck found in waters of the Northern Hemisphere. They breed in waters around the North Atlantic region, including mountain lakes, tundra pools, and sea coasts. In the winter they migrate along continental coastlines to warmer waters in the south.

Male Long-tailed Ducks in alternate plumage are distinctive and can be recognized by their namesake long tail feathers, grey bill with pink band, dark cheek patch and bold white and dark contrasting body plumage.

Long-tailed Ducks feed by diving, hunting for food items including mollusks and small fish. They use their wings to propel themselves under water.
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Details & Statistics

Added to Birdorable
Hatched on 03 April 2019
Scientific Name
Clangula hyemalis
  • Anseriformes
  • Anatidae
  • Clangula
  • C. hyemalis
Birdorable Family
Conservation Status
Vulnerable (as of 23 March 2020)
  • Least Concern (LC)
  • Near Threatened (NT)
  • Vulnerable (VU)
  • Endangered (EN)
  • Critically Endangered (CR)
  • Extinct in the Wild (EW)
  • Extinct (EX)
Source: IUCN Red List
Units: Imperial / Metric
15 to 23 inches
28.4 inches
17.6 to 38.8 ounces



From IUCN Red List:
The Long-tailed Duck is listed as Vulnerable on the IUCN Red List and was last assessed in 2012 by BirdLife International. This species has been uplisted to Vulnerable because an apparently drastic decline detected in the wintering population in the Baltic Sea since at least the early 1990s implies that the global population will undergo at least a rapid decline over three generations (1993-2020), even when factoring-in uncertainty regarding the sizes and trends of other populations. Improved knowledge regarding populations outside the Baltic Sea might lead to the species being uplisted to Endangered if the overall rate of decline can be confidently shown to be very rapid.

International Names

Chinese (汉语) 长尾鸭
Czech (Cesky) hoholka lední
Danish (Dansk) Havlit
Dutch (Nederlands) IJseend
Finnish (Suomi) alli
French (Français) Harelde kakawi
German (Deutsch) Eisente
Italian (Italiano) Moretta codona
Japanese (日本語) コオリガモ [koorigamo]
Korean (한국어) 바다꿩
Norwegian (Norsk) Havelle
Polish (Polski) lodówka
Portuguese (Português) Pato-de-cauda-afilada
Russian (русский язык) Морянка
Spanish (Español) Pato Havelda
Swedish (Svenska) alfågel
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