The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
One in three dog owners say they have talked to their pets on the phone.
427
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132