Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The colossal squid has the largest eyes in the world.
4
A giraffe's kick is so powerful that it can decapitate a lion.
216
In Australia, there are spiders big enough to eat snakes.
20