Discover the incredible world of hibernation and how it serves as a vital survival strategy for various animals during the harsh winter months.br br From bears and bats to ground squirrels, turtles, and frogs, learn how these creatures conserve energy when food is scarce.br br Dive into the fascinating physiological changes they undergo, including drastic drops in metabolism, heart rate, and body temperature.br br Plus, find out how some animals recycle their body waste for nutrients during hibernation.