Answer:
Thirty white horses on a red hill, First they champ, Then they stamp, Then they stand still.
Has feathers but can't fly. Rests on legs but can't walk.
What weaves webs as they grow?
Pregnant every time you see her, yet she never will give birth.
It's anything but amusing when this body part gets hit.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?