If a bird poops on your head it is good luck.
If a bird enters the house there will be a death in the family.
A Robin flying into the house is good luck.
Many people used to believe that owls swooped down to to eat the souls of the dying. If they heard an owl hooting, they would become frightened. A common remedy was thought to be, turning your pockets inside out and you would be safe
If you open your front door and are greeted by a magpie and it looks at you. Then there is absolutely not thing you can do. This is a sure sign of death.
In Korea, if you see crows or ravens when you are leaving your house in order to go to school or to your company early in the morning, it means that you will be in trouble and have bad luck for one whole day.
Also, if you see magpies or listen to their calls when you go somewhere, especially early in the morning, you will have good luck for a day. Magpies mean really good luck in Korea.