Answer:
Voiceless it cries, wingless flutters, toothless bites, mouthless mutters.
It is a path of cow juice spread across the sky but cannot be seen by the naked eye
A hole in a pole, though I fill a hole in white. I'm used more by the day, and less by the night.
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around.
I can only be played on a windy day