It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Sheep, goats, octopuses, and toads have rectangular pupils.
7
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
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
Dolphins have names for one another.
18
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
Ants have tiny magnetic compasses in their antennae which help them navigate.
9