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
Cats and dogs can hear ultrasound.
350
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Whales and dolphins can't taste anything other than salt.
11
Lurch, a Watusi bull, had the largest horns in the world.
32
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268