A domestic cat’s eye narrows to a razor-thin vertical slit in bright sunlight, while a grazing sheep stares out through a wide horizontal bar. These are not cosmetic quirks. A 2015 study in Science ...

Vertical pupils weren’t just made for night vision. It turns out they may also help snakes stalk prey without being seen. Richard Shine and Francois Brischoux at the University of Sydney, Australia, ...

While the eyes may be a window into one's soul, new research led by scientists at the University of California, Berkeley, suggests that the pupils could also reveal whether one is a hunter or hunted.

Does your pet have vertical pupils or circular ones? This determines the difference between predator and prey, a study finds. Species with pupils that are vertical slits are more likely to be ambush ...

It may contain inaccuracies due to the limitations of machine translation. A camera inspired by a cat's vertical pupil has been developed. Courtesy of Getty Images Bank Cats are known for their ...

Slit-shaped pupils help animals adjust their eyes to see clearly day or night, but that attribute doesn’t explain why some animals have horizontal slit pupils and others have vertical ones. A study ...

Have you ever looked at a cat and wondered why on earth they have such creepy slits for pupils? Scientists previously thought slit pupils were an advantage for being active both day and night because ...

A land animals' ecological niche is a strong predictor of pupil shape, a new analysis has found. Species with pupils that are vertical slits are more likely to be ambush predators that are active both ...

Berkeley -- While the eyes may be a window into one's soul, new research led by scientists at the University of California, Berkeley, suggests that the pupils could also reveal whether one is a hunter ...