Sharks have been on the planet longer than trees.
14
Cows can sleep standing up, but they can only dream lying down.
745
The reindeer is the only mammal that can see UV light.
17
Cats recognise the voice of their owner, but never evolved to care.
22
A domestic cat can sprint at about 31 miles per hour.
274
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8