If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
The seahorse is the only fish to have a neck.
12
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2