Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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A cat can jump FIVE TIMES as high as it is tall!
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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
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There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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Whales and dolphins can't taste anything other than salt.
11