Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Penguins have a gland above their eye that turns saltwater into freshwater.
12
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2