Black Headed Gull，in Kunming Daguan Building Stock Photo

The black headed gull scientific name: Larus ridibundus, commonly known as `water Dove` shape and color are similar with dove, 37-43 cm long and 94-105 cm wingspan, weighing 225-350 grams, the life of 32 years. Mouth and foot are red, most of the body feathers are white, black tail. A large number of black Headed Gull, like clusters, in many coastal ports, lakes of the world can see. Generally living in rivers, lakes, reservoirs, and bays. It propagated in the west of Tianshan and the northeastern wetland of Northwest China. It overwintered in all the lakes, rivers and coastal areas in the south of China and the 32 degrees north of the north latitude. The staple food is fish, shrimp, insects, aquatic plants and human discarded food residue.