Groundhog Day is a holiday celebrated on February 2 in the United States and Canada. According to folklore, if it is cloudy when a groundhog emerges from its burrow on this day then spring will come early. If it is sunny, the groundhog will supposedly see its shadow and retreat back into its burrow, and the winter weather will continue for six more weeks.
The groundhog, also known as a woodchuck, or whistle-pig, is a rodent of the family Sciuridae, belonging to the group of large ground squirrels. If any rodent ventured out on this cold morning, the groundhog, or even a ground squirrel like pictured, would have seen its shadow so a long winter ahead.
Rodent Saw Its Shadow