When dragonflies mate, their tails form a love heart.
22
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Mosquitoes don't just bite you, they also pee on you.
11
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8