When dragonflies mate, their tails form a love heart.
22
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
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Only 3% of bird species have penises.
0
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
Sloths take two weeks to digest their food.
243
Sheep, goats, octopuses, and toads have rectangular pupils.
7