Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Mosquitoes don't just bite you, they also pee on you.
11
The elephant brain weighs about 6,000g.
274
Giant Anteaters' front legs look like a panda.
48
A 42-foot sperm whale has about 7 tons of oil in it.
209
Domestic pigs average a top speed of about 11 miles per hour.
182