A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
17
The cat brain weighs about 30g.
167
A 42-foot sperm whale has about 7 tons of oil in it.
209