It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
The cat brain weighs about 30g.
167