In captivity, the average badger lifespan is Sweet 16, but not in the wild. The oldest wild badger was but 14 years old. These animals prefer a solitary lifestyle. Typically, you won’t find more than 5 badgers in a square kilometer. They are not party animals. They are skilled diggers with powerful jaws. They prey on rodents and other earth-dwellers and supplement their diet with corn and sunflower seeds. They wisely store and cache food as well.