Answer:
What is so fragile that saying its name breaks it?
I fly through the air on small feathered wings, seeking out life and destroying all things.
Iron on a mammal. Mammal on your feet.
Round as an apple, deep as a cup, and all the kings' horses can't fill it up. What is it?
What relies on columns but isn't a house, and asks for help but can't speak itself?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?