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Nature - Why do goats have rectangular pupils?

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Offline Sara

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Nature - Why do goats have rectangular pupils?
« on: October 11, 2018, 08:12:07 AM »
Take a close look at a 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 slits that are horizontal.

The shape of the animal’s pupil, it turns out, is closely related to the animal’s size and whether it’s a predator or prey.

…if you’re the kind of animal that gets hunted, “you’re very likely to have a horizontal pupil” and to have your eyes on the side of your head. That makes sense, because it gives prey animals a panoramic view, so they can best scan all directions for danger.

« Last Edit: October 11, 2018, 08:14:56 AM by Sara »
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