Long-tailed duck

The long-tailed duck (Clangula hyemalis) is a small Arctic sea duck with long, pointed tail feathers and distinct seasonal plumages. It breeds in Arctic regions and winters mainly at sea.

Clangula: Clangula is a genus of diving ducks represented by the long-tailed duck. The long-tailed duck is the genus’s sole living species.
Bird migration: Bird migration is the regular, often seasonal movement of birds between regions. Long-tailed ducks move from Arctic breeding grounds to wintering waters.
Common eider: The common eider is a large sea duck that breeds across northern coastal regions. It shares Arctic and subarctic marine habitats with the long-tailed duck.
IUCN Red List: The IUCN Red List assesses species’ extinction risk using standardized categories and criteria. Its assessment summarizes the long-tailed duck’s global conservation status.
Anatidae: Anatidae is the bird family comprising ducks, geese, and swans. This family places the long-tailed duck among waterfowl.
Sea duck migration: Sea duck migration is the seasonal movement of sea ducks between breeding and nonbreeding habitats. This group’s migration connects the duck’s Arctic and marine habitats.
King eider: The king eider is a large Arctic sea duck with a distinctive head profile. It is another sea duck of northern breeding waters.
Oil pollution: Oil pollution is the release of petroleum products into the environment. Oil exposure threatens sea ducks concentrated on marine wintering grounds.
Sexual dimorphism: Sexual dimorphism is a difference in appearance or other traits between males and females of a species. Male and female long-tailed ducks differ in plumage and tail length.
Waterbird census: A waterbird census is a systematic count of waterbirds at selected sites and times. Counts help track long-tailed ducks at wintering concentrations.

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