Denmark has twice as many pigs as there are people.
66
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
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79