The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
A cat can jump FIVE TIMES as high as it is tall!
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