Eli5 How and why do owls rotate their heads 270*

Question

I tried looking it up in the internet but I still just dont get it

In: 4

Answer 1

On top of all these great explanations about the eyes is there also another clear advantage. If the owl has to remain total silent while looking for prey, would any movement of the owl give it away, so by keeping totally still and only turn it’s head, does it not make any sound.