They don't walk... nor are they really dead. But these snails are zombies. They have been hijacked by a parasite that controls their brains and movements. It's a clever ploy to help the parasites' offspring spread and endure.
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About World's Deadliest:
World’s Deadliest Predators is a new series that looks at most riveting moments of animal predation, breaking down the struggle for survival and supremacy into five action-packed episodes. Top Hunters focuses on the most feared animals in their class: animals at the top of their food chain; the hunters who are prey to no other animal. Killer Packs illustrates when predators multiply their advantage over prey by banding with others of their species to hunt. Lethal Weapons shows that the physical attributes and built-in concealed weapons have the…