Spiders have transparent blood.
56
An elephant's tooth can weigh as much as 12 pounds.
24
A marine catfish can taste with any part of its body.
38
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The venom of the king cobra is so deadly that just one gram of it can kill 150 people.
76
When a giraffe's baby is born it falls from a height of six feet, normally without being hurt.
126