Come hang with a tribe of feral monkeys in central Florida, as a renegade clan of rhesus monkeys take over the shores of Silver River. Then hold on tight for an extreme adventure dog sledding through Minnesota in the musher's stand. In San Francisco, a rowdy mob of sea lions has claimed Pier 39 as their own. And on Assateague Island, Maryland, gallop for the sea with a herd of wild ponies.

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.

Love is in the air all over the United States of Animals. Just a few feet from Highway 1 on the California coast, it's the ultimate prizefight for elephant seals. Meanwhile, Operation Migration is winding down after a flock of whooping cranes follow their "mom" to St. Marks, Florida. And it's a real fish-out-of-water story when grunions swarm the beaches of California.