Groundhogs are bad at predicting weather, but they’re valuable animal engineers

Also known as woodchucks, they are correct 50% of the time in forecasting the arrival of spring. Whether you call him groundhog, woodchuck, or whistle-pig, or use the full genus and species name, Marmota monax, the nation’s premier animal weather forecaster has been making headlines as Punxsutawney Phil for decades.