The black-legged kittiwake (Rissa tridactyla) is a seabird species in the gull family Laridae. The black-legged kittiwake is a coastal bird of the arctic to subarctic regions of the world. It can be found all across the northern coasts of the Atlantic, from Canada to Greenland as well as on the Pacific side from Alaska to the coast of Siberia. Black-legged kittiwakes' wintering range extends further south from the St-Lawrence to the southern coast of New Jersey as well as in China, the Sargasso sea and of the coast of west Africa.

The adult is 37–41 cm in length with a wingspan of 91–105 cm and a body mass of 305–525 g. It has a white head and body, grey back, grey wings tipped solid black, black legs and a yellow bill.

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RISSA TRIDACTYLA / BLACK-LEGGED KITTIWAKE /KRYKKJE

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