Answer:
I can be swallowed, but I can also swallow you. What am I?
You can build or destroy. Let creativity soar but be careful at night.
By Moon or by Sun I shall be found. Yet I am undone if there's no light around.
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.
If you lose me you may cause people around you to lose me too.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?