When dragonflies mate, their tails form a love heart.
22
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Cats recognise the voice of their owner, but never evolved to care.
22
Parrot parents "name" their children with a signature call.
112
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11