Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Denmark has twice as many pigs as there are people.
66