Groundhog Family (Marmota monax) - photo by W. Perry Conway;  Groundhogs are also called woodchucks.  They  are a type of rodent known as a marmot, and marmots are closely related to squirrels.  They are found over all of North America. They are "true hibernators" – going into a dormant state where their body temperature and heart rate fall dramatically from late fall until late winter or early spring.

Groundhog Family (Marmota monax) - photo by W. Perry Conway; Groundhogs are also called woodchucks. They are a type of rodent known as a marmot, and marmots are closely related to squirrels. They are found over all of North America. They are "true hibernators" – going into a dormant state where their body temperature and heart rate fall dramatically from late fall until late winter or early spring.

Learn all you wanted to know about groundhogs with pictures, videos, photos, facts, and news from National Geographic.

Learn all you wanted to know about groundhogs with pictures, videos, photos, facts, and news from National Geographic.

FREE Groundhog Day Study Unit Resources and Ideas, PLUS Groundhog Day children's picture book recommendations

FREE Groundhog Day Study Unit Resources and Ideas, PLUS Groundhog Day children's picture book recommendations

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