As snow falls and Christmas lights glow in Jackson Hole, Wyoming, a holiday season of a different sort settles over the great winter world of Yellowstone National Park, designated America’s first national park in 1872 and one of the greatest expanses of unspoiled nature and wildlife anywhere on Earth! NATURE follows in the snowy footprints of Yellowstone’s red foxes, spies on the predatory warfare of wolves and elk, and climbs into the den of a grizzly bear that gives birth to two cubs while deep in hibernation.