They whistle to let other groundhogs know that there is danger near.
Yes
shierk and a whistle and a bark
A groundhog, is a rodent of the family sciuridae, it belongs to the group of large ground squirrels referred to as marmots, it is also known as a whistle-pig.
Woodchuck or their scientific name Marmota monax.
They do not live in groups, but I guess they have family.
The term "whistle pig" is a colloquial name for a groundhog in some regions of North America, particularly in the Appalachian region. It originated from the animal's high-pitched squeal or whistle-like sound it makes when alarmed.
A groundhog would hog as much ground as a groundhog COULD if a groundhog could hog ground.
Underground
can a groundhog swim
Punxsutawney is the city in Pennsylvania where the groundhog, Puxsutawney Phil, resides.
Every county has it's own groundhog.
a groundhog's habitat is anywhere they can have sex.