Gulls are almost always live near the oceans and seas. Seafarers learned of the approach to the ground if they saw gulls. Behavior gulls helps to know the weather in the future.
Gulls prey on fish. Often it is not healthy fish float up. Gulls are the cleaners of the sea.
Gulls loved to fly low over the water.
Without gulls the sea would be quiet. They complement each other.