A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Tigers can see 6 times better at night than humans.
305
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8