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 cat brain weighs about 30g.
167
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
A dork is a whale's penis.
327
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492