Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
When dragonflies mate, their tails form a love heart.
22
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Sloths take two weeks to digest their food.
243
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25