Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Only 3% of bird species have penises.
0
Bats sleep 18-20 hours per day.
5
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11