A flock of birds

Today, My co-worker told me a story. This Morning, when he got to his company, he saw a flock of birds above his car. And he cut the engine and tried to get off. Suddenly, he heard frightful noise like firecracker. He was surprised and got out of the car in a hurry to check out what happened. He found a lot of black stain spots on the car. they were bird droppings. If he got out of the car a couple of seconds earlier than that, he would be covered over with bird droppings.