Answer:
I am gold and can be black and white I'm a symbol for a nation when freedom took flight.
I shift around though always slowly. I never move more than a few inches at a time. A large movement by me can kill many people. I am huge yet unseen by humans.
I come off of a beautiful creature which soars in the sky. I come off of a peckish creature which has a tail as mighty as the sun! I am sometimes dirty and parents beg you not to pick me up.
The more it dries, the wetter it becomes. What is it?
I am a word of letters three. Add two and fewer there will be. What word am I?
No matter how little or how much you use me, you change me every month.