Otherwise, spring will arrive early. Groundhogs, also known as woodchunks, are "stout cat-sized rodents belonging to the group of large ground squirrels in the family Sciuridae," according to the ...

Following is a transcript of the video. Narrator: If you only saw them on their big day every February, you might think that groundhogs are pretty shy animals. They're actually anything but.

The Punsutawney Groundhog Club explains how the first time “Weather Wags” recognized Groundhog Day was in 1886, although the first official trek to Gobbler’s Knob was the following year.