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The Atlantic Coast, where wild horses battle, bald eagles chase ospreys and sharks protect fish. Raccoons navigate city life and black bears search for food in ancient forests.

Mexico, where deserts meet tropics. See new footage of fledgling pygmy owls, orca hunting, new species in flooded caves and orchid bees filmed in incredible detail.

The Wild West, where coyotes face a snowbound Yellowstone, rattlesnakes emerge in the hundreds, woodpeckers compete to store food, bison battle on the Great Plains and more.

The Amazon, the largest rainforest on Earth. Giant otters hunt together while black caimans prey on newly hatched turtles. A harpy eagle chick’s first days in the canopy and army ants on the move reveal new behaviors.

The Frozen North, where wolves and polar bears vie for food, hares outsmart lynx and walrus sing on rocky shores. As summer arrives, grouse perform mating dances, caribou migrate vast distances and salmon race upstream to survive.

The Gulf Coast, where swamps and wetlands shelter black bears and alligators. Manatees gather in freshwater springs, burrowing owls look for love in the suburbs and a rare ocelot raises her kittens in Texas' thornscrub.

The Andes, Earth's longest mountain range. Baby bears make treacherous descents, rare hummingbirds compete for mates, frogs freeze and revive, and lizards battle for territory - all in a land of extremes, from glaciers to deserts.

The Caribbean, where sailfish hunt with speed and millions of red crabs migrate to the sea. Hummingbirds defend territories post-hurricane, and capuchin monkeys use tools to survive.

The West Coast, where wolves scour shorelines, sea otters dive through surf, blue whales race and roll in a rare display and octopuses make the ultimate sacrifice for their young.

Patagonia, a wilderness at the far south of the Americas. Pumas hunt in snowy mountains, rockhopper penguins brave the waves, giant stag beetles climb trees, orcas learn to hunt and and more.