BBC - Yellowstone (2009) Part 2 Summer
A natural history portrait of a year in Yellowstone, following the fortunes of America's wildlife icons as they face the challenges of one of the most extraordinary wildernesses on Earth.
Part 2 Summer
As the Sun gains strength, the Park begins to thaw and grazers move back up to higher altitudes. The hardy bison are amongst the first, their newborn calves struggling to cross rivers swollen by meltwater during the journey. Bison, along with elk, pronghorn and migrant birds, are drawn to the fertile pastures of the plateau. Newborn pronghorn twins must use the long grass for camouflage against prowling coyotes. There is a rare sight of wolf pups as the Druid pack venture from the woods to visit the riverside. By June, the blooming wildflower meadows attract calliope and rufous hummingbirds, but when a summer blizzard blows in, the birds must turn to sugar-rich tree sap to survive. As summer returns, a new challenge emerges Yellowstone begins to dry out. Cutthroat trout mass in shallow streams ready to spawn, but they make easy prey for otters and osprey. In August, the hot, dry plateau is the scene of the annual bison rut. Lightning can spark fierce wildfires, but the short-term devastation is part of the ecological cycle and helps the lodgepole pine forests regenerate. Meanwhile, grizzly bears converge on the high mountain slopes as they seek out an unusual food source army cutworm moths, which arrive in their millions from the prairies. A female bear is injured in a clash with a male, but they must take advantage of the bounty before the brief summer is over. In Yellowstone People, produced by Kathy Kasic, we meet the 'geyser gazers', tourists drawn to Yellowstone's famous geysers.
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