Answer:
Goes over all the hills and hollows. Bites hard, but never swallows.
Pregnant every time you see her, yet she never will give birth.
A horrid monster hides from the day, with many legs and many eyes. With silver chains it catches prey. And eats it all before it dies. Yet in every cottage does it stay. And every castle beneath the sky.
Of no use to one, Bliss to two. Men lie for it. The baby’s right,
Flat as a leaf, round as a ring. Has two eyes, can't see a thing.
Brings the sky a lot closer.
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?