Answer:
What is that over the head and under the hat?
Both old people and owls are said to be possessing this trait
I have three hundred cattle, with a single nose cord
Round as a button, deep as a well. If you want me to talk, you must first pull my tail.
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.