When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
When dragonflies mate, their tails form a love heart.
22
Sloths take two weeks to digest their food.
243
Lurch, a Watusi bull, had the largest horns in the world.
32