Groundhogs are lousy forecasters but valuable animal engineers – and an important food source

Whether you call him groundhog, woodchuck, whistle-pig or use the full genus and species name, Marmota monax, the nation’s ...
Popular Science

How hibernating squirrels go more than six months without water—and don’t get thirsty

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. For six to eight months of each year, thirteen-lined ground ...