Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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A group of pugs is called a grumble.
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Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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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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The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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