Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Drivers kill more deer than hunters do.
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