Answer:
I have three feet but no arms or legs
I pass before the sun but make no shadow. What am I?
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?
By Moon or by Sun I shall be found. Yet I am undone if there's no light around.
I am owned by the poor, the rich do not need me. If you eat me, you will die! What am I?
I break away from my pack. I create holes in my victims. I can travel for miles and then disappear. I am part of a dying breed. What am I?