When dragonflies mate, their tails form a love heart.
22
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
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
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
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12