Never resting, never still.
Moving silently from hill to hill.
It does not walk, run or trot.
All is cool where it is not.
People are hired to get rid of me.
I'm often hiding under your bed.
In time I'll always return you see.
Bite me and you're surely dead.
This small creature kills even the largest one.See answer
Select a pack of riddles and try to solve it in an interesting way.
This riddle appears in the following downloadable PDF files: