Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
In Australia, there are spiders big enough to eat snakes.
20
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12