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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A group of unicorns is called a blessing.
304
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
There's a rare breed of pig that looks like a sheep.
14
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12