An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
The Basenji dog is the only dog that is not able to bark.
4
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
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
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18