How Far Can Owls Turn Their Heads
Camila Farah

In fact many owl species such as the barred owl can rotate their heads 270 degrees in each direction which means they can look to the left by rotating all the way to the right or vice versa.
Not so in owls which can quickly rotate their heads 270 degrees in either direction without damaging blood vessels or cutting off blood flow to the brain. How do they do it. If you start out facing forward and turn your head as far to the side as your head will go most people can turn their heads about 90 degrees. Owls can rotate their head about their neck 270 degrees plus or minus a few degrees see for.
That being said you will almost never see an owl turn its head more than 180 degrees from the front. Owls can twist their necks to turn their heads about 270 degrees about of a full circle without moving their shoulders. Medical illustrators and neurological imaging experts at johns hopkins have figured out how night hunting owls can almost fully rotate their heads by as much as 270 degrees in either direction. The long thick feathers that cover the neck make it look short and fat.
Owls on the other hand can rotate their necks up to 270 degrees in either direction without damaging the vessels running below their heads and they can do it without cutting off blood supply to. How owls twist their heads almost 360 degrees how owls twist their heads almost 360 degrees in an exorcist style display of flexibility owls can rotate their necks a maximum of 270 degrees without. An owl however can start out facing forward turn its bill over its shoulder keep going until its bill is over its spine then keep going until the bill reaches the other shoulder a whopping 270 degrees from the front. This allows them to sit perched without moving and see virtually all of the way around themselves but you might be interested to know that they also turn their heads to hear more effectively too.
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The eyes are long and shaped more like a tube. Owls don t have eyeballs. An owl s head and face are essentially a parabolic microphone.Source : pinterest.com