Before the onset of cold weather most of the black-headed gulls migrate to warmer climes, but still quite a lot of birds in large cities, finding food on the local urban landfills.Those who fly, winter in Russia on the Caspian and Black seas, abroad - in the Mediterranean region, Africa, parts of Asia (up to Japan).Widespread and common gull.This medium-sized birds (primernos large crow), with bluish-gray plumage and a white head.Mew gull habitat - from the Kola Peninsula to the western borders of Chukotka, in the southern reaches of the Caspian Sea.Before the winter migrates to the Mediterranean region, some individuals reaches the Gulf.It is
much larger in size herring gull.It is a large bird (wingspan up to 1.3 meters), with a yellow beak and massive silver-gray plumage, within the nests along the Russian Arctic coast, on lakes in Western Siberia, the north shore of the Caspian Sea.Active predator;a large part of the diet herring gull up shellfish, but it also willingly ravages nests of birds, feeding rodents, fish.Before the onset of winter, herring gull flies off the coast of the southern seas.Within Russia the main places its migration are Black and Azov seas, abroad - the Mediterranean Sea.There is also a seagull that flies or not at all in the winter, or migrate at a very short distance - a maximum of a few hundred kilometers.This white gull that lives on some Arctic islands, for example, the archipelago of Franz Josef.Bird of small size, with white feathers (from where and went its name).She spends the winter or in the same places, migrating along the ice edge, or up to the coast of the mainland.