Snakes, even the name can make some shrink with fear. It is the most widespread phobia as suggested by studies.
There are places in the world where people are undaunted about snakes or spiders and the use them to make soups or fry spiders and put them on sticks. But in most places the fears of snakes still exist and it is linked to survival instinct by researchers.
As per a study where children and adults were asked they picked the images of snakes more quickly than pointed out frogs and flowers among various non-threatening objects.