The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
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
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
There's a lizard known as the 'Jesus Lizard' that can run across water.
11