Sharks have been on the planet longer than trees.
14
A group of unicorns is called a blessing.
304
Cats recognise the voice of their owner, but never evolved to care.
22
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A cow produces around 200,000 glasses of milk in her lifetime.
373
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Lurch, a Watusi bull, had the largest horns in the world.
32