When dragonflies mate, their tails form a love heart.
22
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The largest earthworm on record was found in South Africa and measured 22 feet.
151