In Romania, this species of gull can be seen from October until May. Some specimens remain during the summer in the seaside and Danube Delta areas, but without nesting.
Plumage: the back of the body is dark gray and the rest of the body is white.
Yellow beak, slightly curved to the top, with a red distinctive patch to the bottom.
Lenght: about 52 – 74 cm.
Wingspan: 135 – 150 cm.
Weight: 550 – 1000 grams.
Diet: molluscs, crustaceans, small birds and mammals.