Question

A bird that can rotate its head 135 degree in any direction

Answer 1

Owls can rotate their head up to 270°

Answer 2

Birds are a group of endothermic vertebrates, their skeleton consists of very lightweight bones, and they have large air filled cavities, birds have a body plan that shows many unusual adaptations to facilitate flight. The Night hunting bird Owl can almost fully rotate their heads as 270 degrees in either direction, without damaging the delicate blood vessels in their necks and heads, and without cutting off blood supply to their brains.