The eyes of birds are notoriously large ... Another reference stated some owls lack cones and are "day blind". Yet other studies have shown some owls have a level of color vision and are at ...

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 ...

The eyes of the owl monkey hammer home an increasingly familiar ... a spot at the centre of human retinas where our vision is sharpest, where cone cells are abundant and where rods are virtually ...

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.