Sheep, goats, octopuses, and toads have rectangular pupils.
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Only about 2% of the world population has green eyes.
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Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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Those things you see in your eyes when you stare into space are called Mouches Voltanes, which are also broadly referenced to as Floaters.
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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Tigers can see 6 times better at night than humans.
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The colossal squid has the largest eyes in the world.
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