When you shave a guinea pig it looks like a little hippo.
19
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Sloths take two weeks to digest their food.
243
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46