United States of Animals S01E05 - Rocky Mountain High

It's the biggest game day of the year as bighorn sheep clash head to head in Georgetown, Colorado. Olive the oiled sea otter is on the front lines fighting climate change in the kelp forests of Monterey Bay, California. In the Sky Islands of Arizona, the tiniest birds in the world refuel on their epic migration. And a pod of dolphins hunt on land in Captain Sam's Inlet, South Carolina.