Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Cats sleep for 70% of their lives.
8
In Australia, there are spiders big enough to eat snakes.
20
Female kangaroos have three vaginas.
2