SOURCES Wikipedia, US National Park Service, The Woodland Trust, Discover Magazine, Scientific American, European Space Agency, Bumblebee Conservation trust, Australian Academy of Science, The Independent and the North American Bear Centre.
An overarching rule of the natural world is the old adage 'survival of the fittest'. Only those best adapted to their environments stand a chance of enjoying any kind of longevity. These adaptations come in many forms, be it camouflage to blend in more effectively, longer legs to run faster or sharper teeth to hunt better. Evolution provides the means for a species to improve itself over time, so that genetic quirks can become essential traits for survival.
One of the most intriguing evolutionary adaptations is hibernation,
