Bear Ecology - Yellowstone National Park (U.S. National Park Service)

Grizzly bears live generation to generation. A mother bear may raise only a few litters in her lifetime, maybe four to six cubs total, but what she passes on is far greater than her genetics. Everything those cubs learn in the first two to three years at her side becomes a road map for the rest of their lives. She teaches them where to dig for roots when the snow first melts, how to find cutthroat trout in spring creeks, where to den safely for the winter, how to move with the seasons from one f