It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Sharks have been on the planet longer than trees.
14
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12