Rattlesnake mating sessions have been known to last more than 22 hours.
232
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Gorillas can catch human colds and other illnesses.
205
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Denmark has twice as many pigs as there are people.
66
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6