An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
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
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
A lion in the wild usually makes no more than twenty kills a year.
186
The largest breed of rabbit is the Flemish Giant.
65