Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
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
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14