Rattlesnake mating sessions have been known to last more than 22 hours.
232
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
Sheep, goats, octopuses, and toads have rectangular pupils.
7
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27