Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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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).
12
A dork is a whale's penis.
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Tigers can see 6 times better at night than humans.
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