A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
Ants tend to survive in a microwave because they find the coolest spot and wait!
17
The oldest recorded elephant lived for 82 years.
213
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2