It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
When dragonflies mate, their tails form a love heart.
22
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
There's a rare breed of pig that looks like a sheep.
14
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5