Answer:
What lies in a tunnel of darkness. That can only attack when pulled back?
Fatherless and motherless. Born without sin, roared when it came into the world. And never spoke again.
Hard to catch, easy to hold. Can't be seen, unless it's cold.
What has roots as nobody sees, is taller than trees. Up, up it goes, and yet never grows?
What has two spines and a lot of ribs, and carries much but never moves?
I have two eyes in the front and a lot of eyes on my tail