ranging from 29 cm in length to 120 g in weight of the small gull, to 75 cm. in length and 1.75 a 2 kg in weight of the great mugnaiaccio. the beak is long and robust and the webbed . the wings are usually white, gray or black and in the young also brown. depending on the species, the young take two to four years before reaching the adult livery. in this phase both the colors of the feathers and those of the beak, the legs and the eyes change. some species change the color of the plumage according to the season, but there is no differentiation of plumage between the sexes. a specimen of larus larus michahellis at the vittoriano, usually they live in colonies, nest along the s or in wet areas and inland waters. they feed on fish, eggs, small carrion, leftovers and also - waste, insects and worms. over the years y colonies of seagulls have moved to urban areas, even from the , they feed on waste, birds, rats and in some even hus to , , 175, the, changesome, sexesa, larus, usually, wormsover

圖片編號： 157225880
拍攝者： Infocarriero