Owls have large eyes that are specially adapted to low-light ... However, they have fewer cone cells, which are responsible for color vision and function better in bright light.

The internal structure of an owl eye is special, too. Most vertebrates have rod cells and cone cells in their eyes. Cones detect colors. Rods detect light and motion. Diurnal animals are awake ...

Get ready for some fascinating facts. Owls don't have eyeballs—they're more like eye tubes. They're elongated and held in place by a bony structure in the skull called a sclerotic ring.

Owls are superb, from those haunting calls to spinning heads to soulful eyes. Owl eyes are so big they can’t move in their sockets—which is why they need that Exorcist-style head rotation ...

These species have slightly different eye structures that allow them to function better in brighter conditions, although they still do not see as well as true diurnal birds. The habitats of owls ...