EW BIRD

okay so i am soo icked out by birds cause i think of all the germs and stuff thus i dont really want to take a picture of one so yeah. k so basically i was sitting by myself and theres the typical gray bird. so i hear this noise and i look at the bird and its shaking its feathers so its all puffed up now and the noise that i heard was the vibration and waves that the bird made by moving its feathers rapidly.