Answer:
Has feathers but can't fly. Rests on legs but can't walk.
Goes over all the hills and hollows. Bites hard, but never swallows.
It flies when it's on and floats coming off.
Soft and fragile is my skin, I get my growth in mud. Iām dangerous as much as pretty, for if not careful, I draw blood.
My teeth are sharp, my back is straight, to cut things up it is my fate.
What language does a billboard speak?