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
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212