An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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A cat can jump FIVE TIMES as high as it is tall!
371
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
It has been scientifically proven that stroking a cat can lower one's blood pressure!
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