Sloths take two weeks to digest their food.
243
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Whales and dolphins can't taste anything other than salt.
11
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9