Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
Mosquitoes don't just bite you, they also pee on you.
11
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79