An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Dogs have been man's pet for over 14,000 years.
224
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
Sharks, like other fish, have their reproductive organs in their chests.
248
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205