Answer:
They come out at night without being called, and are lost in the day without being stolen. What are they?
What age most travelers have?
Which one of Santa's reindeer can be seen on Valentines day?
It is in every mountain, it's not in any hill, it's not in all the world, and yet it's in the mill.
Long and thin, red within, with a nail at the end.
Break me and I am better immediately set and harder to be broken again.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?