Answer:
There's not a kingdom on the earth I haven't traveled over and over and though I know not whence my birth yet when I come you know my roar. I through the town do take my flight and through the fields and meadows green and whether it be day or night I neither am nor can be seen.
I don't live within a house, nor do I live without. Most will use me when they come in, and again when they go out. What am I?
What comes in many different sizes but is always only 1 foot long?
It's been around for millions of years but is never more than a month old. What is it?
The warmer I am, the fresher I am. What am I?
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.