It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A lion in the wild usually makes no more than twenty kills a year.
186
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
Sharks, like other fish, have their reproductive organs in their chests.
248
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12