Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Condoms were originally made of animal intestines or linen.
347
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
A lion in the wild usually makes no more than twenty kills a year.
186