A duck's quack doesn't echo, and no one knows why.
173
Dogs can make about 100 different facial expressions.
18
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Given the opportunity, deer will chew gum and marijuana.
40
Freddie Mercury held parties with midgets carrying around trays of cocaine.
8
One litter of kittens can be produced by more than one father.
57
The lifespan of the common goldfish is over 20 years!
60