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Why seagulls are lucky birds and happy birds?

There are three main reasons:

1. Seagulls are considerate and can forecast the weather. Seagulls can foresee storms because their bones are hollow and tubular, and they are filled with air without bone marrow. This is not only convenient for flying, but also like a barometer, which can predict the weather changes in time. In addition, the hollow feather tube on seagull wings is also like a small barometer, which can sensitively feel the change of air pressure;

2. Seagulls can be used as navigation marks, because seagulls like to fly around the rocks for food, so ships can safely bypass the rocks at sea;

In addition to eating fish, shrimp, crabs and shellfish, seagulls also like to pick up leftovers discarded by people on board, so seagulls are nicknamed "harbor cleaners".