It is official. Pennsylvania's Punxsutawney Phil emerged from his lair to see his shadow yesterday. Thus we can expect six more weeks of winter.
The groundhog is also called a "woodchuck" and its scientific name is Marmota monax. Marmots are ground squirrels, living in burrows rather than trees. The marmots are related to tree squirrels, and all these animals are classed as rodents. A groundhog is one of the largest varieties of marmot and can weigh over 30 pounds just before going into hibernation.
Births usually occur during May. After four weeks, their eyes open and they begin to explore the outdoors. By August, they establish new burrows.
By the middle of October most groundhogs are hibernating and normally hibernate until about March. They can live up to about six years in the wild. Of course Punxsutawney Phil has been around since 1887.