Sloths take two weeks to digest their food.
243
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Dogs have been man's pet for over 14,000 years.
224
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2