Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The elephant brain weighs about 6,000g.
274
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20