It is a seabird widely distributed along coastlines, inland waters, and urban areas worldwide, belonging to the gull family. Known for its elegant flying posture, sharp vocalizations, and adaptability to food. The body is usually covered with white or gray feathers, and the tips of the wings may have black markings, while the color of the head and tail may vary with the season. The beak is strong and powerful, suitable for capturing and processing various foods, including fish, crustaceans, insects, and food waste discarded by humans. When foraging, they utilize their keen eyesight and flying ability, and sometimes follow fishing boats to catch discarded bait or captured fish.

It is a bird commonly found in coastal areas, known for its elegant flying posture and unique call. Having a strong body and wide wings, able to fly on the sea for a long time without landing. Feathers are usually white or gray, and the feathers on the head and wings may have black or brown markings. Usually feeds on small fish, crustaceans, and other marine organisms, and sometimes searches for food on land. They are social animals and can often be seen resting and foraging in groups on beaches or rocks. Highly adaptable, able to survive in areas with frequent human activities, and sometimes even become a frequent visitor to ports and docks.

Seagulls are a group of seabirds belonging to the gull family in the order Characiformes. Seagull head and neck are white, back and shoulders are slate gray; The waist, tail feathers, and tail feathers are all pure white. The base is gray white or forms larger gray spots on the inner lining. The lower body is pure white. Humans believe that the call of seagulls sounds like "Europe, Europe", and "gull" is a onomatopoeic word that imitates this bird's call, hence the name. Seagulls are mainly distributed in northeastern, southern, and southwestern China, as well as in Europe, the Mediterranean coast, the Black Sea, Caspian Sea, western North America, including Alaska and the eastern Pacific coast, and even near the Tropic of Cancer.