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
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9