Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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Ants have tiny magnetic compasses in their antennae which help them navigate.
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Penguins have a gland above their eye that turns saltwater into freshwater.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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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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Mosquitoes don't just bite you, they also pee on you.
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