Answer:
White and thin, red within, with a nail at the end. What is it?
Each morning I appear to lie at your feet, all day I follow no matter how fast you run. Yet I nearly perish in the midday sun.
What is seen in the middle of march and april?
What does a stone become when in the water?
I call the trees my home, yet I never go inside, and if I ever fall off the tree I will be surely be dead.
It is something you will never see again.