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see gullgull,
common name for an aquatic bird of the family Laridae, which also includes the tern and the jaeger. It is found near all oceans and many inland waters. Gulls are larger and bulkier than terns, and their tails are squared rather than forked.
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(Rissa tridactyla) also black-legged, or Atlantic, kittiwake, a bird of the family Laridae. The body length measures about 40 cm, and the weight about 400 g. The back and wings are bluish gray on top, and the flight feathers are black with white spots at the tips. The remaining plumage is white. The kittiwake is distributed in the northern parts of the Atlantic and Pacific oceans and in the Artie Ocean. It nests on coastal cliffs and on islands in colonies of up to several tens of thousands of couples. Together with murres, the kittiwakes form large breeding colonies.

The kittiwakes build their nests out of grass and mud on rock ledges. There are two or three eggs per clutch, and both the male and female incubate them for about 25 days. The plumage of the young grows in at about one month, at which time the young begin to fly. During the nonreproductive period kittiwakes travel widely over the open water, feeding on small fish and on invertebrates, which they snatch from the surface of the water. The red-legged kittiwake (R. brevirostris) nests on the Komandorskie and Aleutian islands.


either of two oceanic gulls of the genus Rissa, esp R. tridactyla, having a white plumage with pale grey black-tipped wings and a square-cut tail
References in periodicals archive ?
A cross-validation analysis of a discriminant model that incorporated six variables (ledge width, ledge length, ledge slope, back wall slope, and back wall height) correctly classified 76% of Red-legged Kittiwake nesting ledges and 70% of Black-legged Kittiwake nesting ledges.
In the Black-legged Kittiwake, squatters recruit preferentially to one of the squatted nests (Monnat et al.
The black-legged kittiwake (Rissa tridactyla) is a small marine gull with a circumpolar distribution (Baird, 1994) that includes colonies situated in the eastern Canadian Arctic (Brown et al.
Glaucous-winged Gull (Reid 1987) and Black-legged Kittiwake (Jacobsen et al.
Many species of seabirds, including Black-legged Kittiwakes (Rissa tridactyla), forage in flocks (Lack 1968, Sealy 1973, Hoffman et al.
1987) showed that the at-sea metabolic rate of Black-legged Kittiwakes (Rissa tridactyla) correlated with wind speed.
Fish, mainly polar cod (Boreogadus saida), but also capelin (Mallotus villosus), were the main prey found in 16 murres and 3 black-legged kittiwakes (Rissa tridactyla) collected from these aggregations.
8 (for shipboard surveys) and were smallest for black-legged kittiwakes and greatest for thick-billed murres at a measurement interval of 3 nautical miles.
Along with the muskoxen, other wildlife is abundant, and we enjoyed watching and photographing black guillemots, black-legged kittiwakes, snowy owls, Arctic terns, and many other birds.
Vulnerable species include black-legged kittiwakes, common guillemots, and Atlantic puffins.
Residents include common and thick-billed mures, black-legged kittiwakes, black guillemots and razorbills, an uncommon species that resembles the extinct Great Auk.
Observations at these colonies focused on six species, namely thick-billed murres (Uria lomvia), black guillemots (Cepphus grylle), northern fulmars (Fulmarus glacialis), black-legged kittiwakes (Rissa tridactyla), glaucous gulls (Larus hyperboreus), and common eiders (Somateria mollissima borealis), but we had occasional observations on other species during breeding (Tables 2, 3).