' Scientists and experts believe that there are more than 8.7 million species living on this planet. Humans only know the tip of the ice berg and what they see on television. They have cats, dogs and fish at home. Out in the wild they know about tigers, lions, hyenas, elephants and a little more. But these are just a few of the millions known to them. There are so many insect species that it is almost impossible to name all of them by regular man. Some of these belong to the classification of scariest animals. Here are some of them.
