Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
A giraffe's kick is so powerful that it can decapitate a lion.
216
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
A cat can jump FIVE TIMES as high as it is tall!
371
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20