Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A giraffe's kick is so powerful that it can decapitate a lion.
216
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
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
The seahorse is the only fish to have a neck.
12