Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Lobsters have blue blood.
476
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217