The tail adds another 5 to 7 inches. You commonly see them standing upright next to a burrow entrance. The Ground Hog occurs primarily in open woods or in ravines near open fields. Woodchucks are herbivorous feeding on the new foliage of plants.
Woodchucks are diurnal for the most part.
They hibernate over the winter. The groundhog lives for 4 to 5 years. Woodchucks have one litter per year with 2 to 6 young. There is a great place to watch woodchucks if you happen to live in, or are visiting, the metropolitan Washington, D.C. area. Take the Red Line Metro north toward Shady Grove and get off at the White Flint Metro Station.