Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
A group of kittens is called a "kindle".
10
Early American humans hunted car-size armadillos and used their shells for houses.
12