The tradition of a groundhog predicting the weather has spanned centuries. Here is what you need to know about Punxsutawney ...

According to superstition, if Phil comes out of his burrow on Groundhog Day and sees his shadow, it will scare ... which is part of a larger group of ground squirrels known as marmots.

According to superstition, if Phil comes out of his burrow on Groundhog Day and sees his shadow, it will scare him enough that ... which is part of a larger group of ground squirrels known as marmots.