The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Whales and dolphins can't taste anything other than salt.
11
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
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7