Hibernation is a survival strategy employed by a range of animals including rodents, bears, primates and even birds. Here are three of the most unique hibernators, and how they use this strategy to prolong their lives. Hibernation is a survival strategy employed by a range of animals including rodents, bears, primates and even birds. Here are three of the most unique hibernators, and how they use this strategy to prolong their lives. Science, /science, Innovation, /innovation, Science, /science, standard