French: Mouette tridactyle German: Dreizehenmöwe Spanish: Gaviota tridáctila
Subspecies and Distribution
R. t. tridactyla
(Linnaeus, 1758) – Atlantic Kittiwake – N Atlantic from NC Canada and NE USA E through Greenland to W & N Europe, and on to N Taymyr Peninsula and Severnaya Zemlya; winters S to Sargasso Sea and W Africa.
R. t. pollicaris
Ridgway, 1884 – Pacific Kittiwake – N Pacific from NE Siberia, Kamchatka, Sea of Okhotsk and Kuril Is through Bering Sea to Alaska; winters S to East China Sea and NW Mexico.
38–40 cm; 305–512 g; wingspan 91–97 cm. Three-year gull. The breeding adult is a typical white-headed gull, but with short legs; mantle and upperwing-... read more
Characteristically noisy at and around its breeding colonies. Common call (the long call) is the... read more
Arctic and temperate waters. Breeds on coasts as far north as open water occurs, preferring high,... read more
Food and feeding
Mainly marine invertebrates and fish. Outside breeding season also takes planktonic invertebrates, and has recently begun to exploit sewage... read more
Some colonies occupied as early as January, and regularly by February; lays from mid-May to mid-June, depending on latitude; later after... read more
Post-breeding dispersal from colonies is to the open ocean, usually well away from coast, and... read more
Status and conservation
Not globally threatened (Least Concern). The species generally increased and expanded its range during the 20th century but large-scale decline, first apparent in the... read more
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