Rattlesnake mating sessions have been known to last more than 22 hours.
232
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
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 octopus does not have a blind spot.
273
Bats sleep 18-20 hours per day.
5
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
When you shave a guinea pig it looks like a little hippo.
19
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