A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
In Australia, there are spiders big enough to eat snakes.
20
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Dogs sometimes fake being sick to get attention.
26