Viral photos have inspired a fluffle of unflattering nicknames, including "Frankenstein bunnies," "demon rabbits" and "zombie rabbits."

Colorado Parks and Wildlife: Scary-looking rabbits were hopping around Fort Collins. These weren’t your standard cute, fluffy bunnies; they had horn-like growths protruding from their faces and bodies.

Are rabbits spotted in the wild with "weird tentacles" or "horns" infected with a rare virus, as claimed by social media users? No, this is misleading. The rabbits have a common viral infection, papillomavirus,