The woodchuck secretes its territorial marking scent through three nipple like anal glands.
The female woodchuck has one litter of usually three to five young per year.
Woodchucks live from 6 to 10 years.
The "Gopher" in the Caddyshack movies is not actually a gopher - it is a woodchuck.
The woodchuck will climb trees in search of food.
The woodchuck has been observed swimming.
The woodchuck has earned its nickname "whistle-pig" due to its tendency to produce a high-pitched whistle when frightened which it will often times mix with both barking and chattering noises.
All woodchucks hibernate through the winter: systematically waking from their sleep in the spring by means of some sort of internal alarm clock that is not generally understood.
Woodchucks will travel a great distance to a food source.
The woodchuck does not "chuck wood" of any kind.
A burrow and den system will be used for many seasons. The woodchuck will keep the nesting area of the den clean and change bedding material regularly.
Acknowledgment:
Rene M. Bollengier. Jr., 1994. Woodchucks: Prevention and control of wildlife damage. Assistant Regional Director (retired). USDA-APHIS Animal Damage Control.
University of Michigan Museum of Zoology - Animal Diversity Web
