Cats pupils change shape drastically, froma tiny slit to a diamond. So different from us, we just expand or contract uniformly around the entire circle.<P>What amazes me are cat's huge range of ...

Cats are full of little mysteries that make them perpetually fascinating to us, and one of the most interesting things about ...

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 ...

(via TEDEd) Peering into the eyes of different animals, you’ll see some extraordinarily shaped pupils. House cats, for one, are twilight hunters with vertically elongated pupils. Many grazing animals, ...

Cats have vertical slit pupils that expand dramatically. This helps them judge distance perfectly while hunting, especially in low-light conditions like dusk or dawn. Octopuses have bizarre W-shaped ...

It's easy to think of pupils as simple holes that widen in the dark and shrink in the light. But if you look across the animal kingdom, you'll see a variety of pupil shapes: vertical slits in cats and ...

Tigers have round pupils, but domestic cats have vertical slits in the center of their eyes. What gives? A census of the shapes of animals' pupils... Take a close look at a house cat's eyes and you'll ...

Take a close look at a house cat's eyes and you'll see pupils that look like vertical slits. But a tiger has round pupils — like humans do. And the eyes of other animals, like goats and horses, have ...