Why do cats have vertical pupils?
Peering into the eyes of different animals, you’ll see some extraordinarily shaped pupils. why? Cat with vertical pupil, Image credits: catster.com It turns out that the shape of an animal's pupils is a good indicator of its ecological role. The hollow aperture in the iris, the eye's band of pigmented muscle, is marked by pupils. They're the openings via which light enters the eye, strikes the retina, and activates light-sensitive cells, triggering the visual process. Because most of the light that enters them is absorbed, pupils are black. Their size changes in reaction to light, medications, and emotional and mental states, although their basic shape differs widely between species. House cats, for example, have vertically enlarged pupils and are nocturnal predators. These formations expand dramatically in the dark, absorbing all available light. They shrink into slits when the light is bright. Cat pupils are so adaptable that their maximum area is 135 times larger than t
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