Family of two adults and three infants.
Looks like woodchucks are nocturnal too. Polyurnal?
The groundhog (Marmota monax), also known as a woodchuck, whistle-pig, or in some areas land-beaver, is a rodent of the family Sciuridae, belonging to the group of large ground squirrels known as marmots. Other marmots, such as the yellow-bellied and hoary marmots, live in rocky and mountainous areas, but the woodchuck is a lowland creature. It is widely distributed in North America and common in the northeastern and central United States as well as Canada. Groundhogs...