The grey-winged gull (scientific name: Larus glaucescens) has white head, neck, waist and tail, and grey shoulders, backs and wings. Winter feathers are similar to summer feathers , but have pale brown longitudinal stripes on the head and neck , sometimes extending to the upper thorax. The beak is yellow with red spots on the lower beak; the young have a black beak. Feet pink.
It is off the coast of Shandong, Fujian, Guangdong and Hong Kong in eastern China.
Often in pairs or in small groups. It flies over the sea and over rocky reefs. Sometimes it also wanders over the sea. When resting, they stand in groups on overhanging rocks or on the beach.
The breeding season is from May to July, nesting in pairs or small groups. Nests usually nest on inaccessible and inaccessible coastal rocks, but also on flat beaches. The nest is mainly composed of aquatic plants and dry grasses, with feathers on the inner pad. Eggs are usually laid at 3 per clutch, occasionally as few as 2 and as many as 4.