The Wild West, where coyotes face a snowbound Yellowstone, bison battle on the plains and more.

The Andes, Earth's longest mountain range, where rare hummingbirds compete for mates and more.

The Amazon, the largest rainforest on Earth; drone footage captures giant otters hunting 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 Caribbean, where sailfish hunt with speed, sperm whales dive for squid and millions of red crabs migrate to the sea; hummingbirds defend territories post-hurricane, and on nearby islands, capuchin monkeys use tools to survive.

As “The Gulf Coast” unfolds, viewers will witness the delicate balance of life in this coastal paradise. From migratory birds and sea turtles to the vibrant marine life beneath the waves, each moment will reveal the interconnectedness of the ecosystem. This episode is sure to resonate with nature lovers and anyone curious about the wonders of North America.

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; high in the Redwoods, salamanders leap to survive.

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 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.