Answer:
I can climb mountains, cross streams, handle hundreds of feet each day, yet I never move. What am I?
I spend most of my day eating white. When I am quick enough I get rewarded with fruit and something blue. In a dark room with blue walls I run from the ghosts that roam the halls
I am an instrument capable of making numerous sounds but cannot be touched or seen. What am I?
My second is performed by my first. A thief by the marks of my whole might be caught. What am I?
I have a head tail but no arms and legs.
A little house full of meat, no door to go in and eat.