When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The Basenji dog is the only dog that is not able to bark.
4
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
One in three dog owners say they have talked to their pets on the phone.
427
Sharks have been on the planet longer than trees.
14
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13