An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Giant Anteaters' front legs look like a panda.
48
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
Jumping fleas can accelerate 50 times faster than the space shuttle.
218