When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
When dragonflies mate, their tails form a love heart.
22
Sloths take two weeks to digest their food.
243