What makes a good bear den? A bear den needs to big enough to curl up in and small enough to keep the bear warm and cozy through the winter. Bear dens are generally well-hidden; pregnant moms work extra-hard to make sure they choose a den site that will keep their helpless newborn cubs snug, dry and safe from predators. Bears make their dens in hollow trees or logs, under ...
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The Bear Facts
Bears’ appetites are biologically programmed to go into hyperdrive in the fall because they need to put on a thick layer of life-sustaining fat before they turn in for the winter. This annual power-eating marathon is called hyperphagia. Hyperphagia is in ...