Answer:
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around
A reaction to being spooked that takes its name from waterfowl
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.
Pregnant every time you see her, yet she never will give birth.
What goes around and around the wood, but never goes into the wood?
What never gets any wetter no matter how hard it rains?