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Why are groundhogs called groundhogs?

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A groundhog by any other name. Groundhogs are also variously referred to as woodchucks, whistle-pigs, or land-beavers. The name whistle-pig comes from the fact that, when alarmed, a groundhog will emit a high-pitched whistle as a warning to the rest of his or her colony. read more

Groundhogs hibernate longer in northern latitudes than southern latitudes. To survive the winter, they are at their maximum weight shortly before entering hibernation. When the groundhog enters hibernation, there is a drop in body temperature to as low as 35 degrees fahrenheit, heart rate falls to 4–10 beats per minute and breathing rate falls to one breath every six minutes. read more

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