Морская чайка картинки - SeaGull images

SEAGULL/Family Laridae

To this family belong the seagulls are one of the most famous birds because they are usually abundant on beaches, rivers and lakes, where people have a rest. Striking behavior and kriklivost′û they draw attention to themselves. And povadivšis′ beg for handouts and feed the seagulls had quite ceased to be afraid of people. As already mentioned, some on all continents have become nesting places in cities where populations are vying with the sizymi pigeons. The dimensions of the Gulls are very different. There are kinds of quite small — with thrush, others with goose. The plumage of the Gulls are mostly white, but the top of the body generally darker from light rock to black head in many species, black or Brown, the ends of the wings black. The colour is restricted to adult birds. Young at the majority of kinds of light-brown variegated coloration. Wings are long, but quite wide. The beak is strong, with a hook at the end. Legs of normal length, often red, yellow or black coloring. Front 3 fingers are connected by an eardrum, trailing a finger is very small. Seagulls great fliers, but a good run and by land. Float, but cannot dive. Nest in colonies, usually taking up a different place — flat, sandy and grassy Islands, large rocks, steep cliffs. Some species nest in the trees. For the gulls, it is important that they do not get hold of predatory beasts. Almost all kinds of build large nests of plant material. In a typical Gull 3 laying eggs olive color with brownish spots and dots, containing an ignorant to the end. All seagulls — monogamy and caring parents. Hatching from 20 to 30 days. The chicks have a paternalistic overtones.

Long sit in the nest, if not concern, though well run may on the second day of life. Scared, out run, hide and become obscure. Seagulls eat animal food that is on the water and on land. Can eat locusts and grasshoppers or wireworm, accompanied by a tractor in the fields. Some are feeding in certain situations, small rodents, ground squirrels and mice-like animals. But mostly gulls feed on, of course, water. Food swallowing, and claws are black on the water or grabbing on-the-fly. Can swallow a disproportionately large objects, as the thin flat mandibular branch can widely differ in hand (streptognatizm). In some cases, feed on the waste of different extractive industries. Common Gull vsesvetno but the most polar points of the globe. Are held mainly by the water, but there are also deep in the desert or on the high plateaux. Closest relatives are Sandpipers, gulls, but fossil forms, their span, have not yet been found. These Gulls are known since the Miocene, and even then they were very close to the modern. In the collection there are 45 species of gulls, the vast majority of them 38 species, refers to the genus Larus. In Russia there are gulls 5 genera and 22 species, 20 of them are nesting, 17 species belongs to the genus Larus.