Squirrels forget where they hide about half of their nuts.
698
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Cows can sleep standing up, but they can only dream lying down.
745
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
A puppy is born blind, deaf, and toothless.
16
The elephant brain weighs about 6,000g.
274