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

Images of rabbits in Colorado with horns and tentacles are making waves across social media, with many likening their strange look to that

The disease in rabbits also contributed to scientists’ knowledge about the connection between viruses and cancer, such as the human papillomavirus that causes cervical cancer. The virus in rabbits was named after Dr.