Posted by Kirsten Pisto, Communications House Slytherin forever! Vine snake checks out the camera. Photo by Ryan Hawk/WPZ. Witches, werewolves and snakes? Let’s face it, snakes get a bad rap. Perhaps more than any other creature, snakes are the subject of much fear and misunderstanding. Like bats , spiders and all things deemed crawly, snakes are unfairly categorized as “creepy.” Slip into any Halloween shop and you’ll find snake motifs among the Draculas and the Swamp Things. In truth, snakes are vital to a diverse range of ecosystems on every continent (except Antarctica). While there are some snakes that pose a threat to humans, the majority of the 3,400 species of snake are harmless, only about 15% are venomous. One reason we fear snakes could, in part, be biological. This article explains how our primate neurons might respond to an image of a snake. I can personally recall my usually very level-headed mother flinging my little brother off a hiking trail in the face of a