Owls have fixed eye sockets, meaning their eyes are not spherical but more tube-shaped and cannot move in their sockets. To compensate for this, they have evolved the ability to turn their heads up to 270 degrees horizontally and 90 degrees vertically, allowing them a wide range of vision without needing to move their bodies.

https://en.m.wikipedia.org/wiki/Vestibulo-ocular_reflex

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**Owls cannot move their eyes!**

https://youtu.be/FR5o71Zx4lw?si=lbRGMda0t8vJbMp2

Owls have fixed eye sockets, meaning their eyes are not spherical but more tube-shaped and cannot move in their sockets. To compensate for this, they have evolved the ability to turn their heads up to 270 degrees horizontally and 90 degrees vertically, allowing them a wide range of vision without needing to move their bodies.
https://en.m.wikipedia.org/wiki/Vestibulo-ocular_reflex