But since its inception, so-called animal forecasters have popped up around the US, all with the same goal of answering the age-old question: When will winter end?
February 2 is known as Groundhog Day in the United States. On this day, so the old story goes, the groundhog wakes from its winter sleep and leaves its underground home. If the groundhog makes a shadow when it surfaces, winter will continue for six more weeks.