There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A scorpion can hold its breath for up to 6 days.
19
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The oldest recorded elephant lived for 82 years.
213
In Australia, there are spiders big enough to eat snakes.
20