Answer:
Ripped from my mother's womb. Beaten and burned, I become a blood thirsty killer.
Some live in me, some live on. And some shave me to stride upon. I rarely leave my native land. Until my death I always stand. High and low I may be found. Both above and below ground.
The itsy bitsy teeny weeny yellow polka dot variety is quite popular.
You get many of me, but never enough. After the last one, your life soon will snuff. You may have one of me but one day a year, When the last one is gone, your life disappears.
Hard to catch, easy to hold. Can't be seen, unless it's cold
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.