The 14 species of marmots are types of these
The following is a list of all Marmota species recognized by Thorington 
and... [DOC] [TLE] Groundhog - Wikipedia [PAR] The groundhog (Marmota monax), also known as a woodchuck, or whistlepig, is 
a rodent of the family Sciuridae, belonging to the group of large ground squirrels 
known as marmots.