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Season 9
Sharks, rays, squids and blue whales live in the Pacific Ocean off the California coast.
Sharks, rays, squids and blue whales live in the Pacific Ocean off the California coast.
Three species of monkeys, the muriqui, the golden lion tamarin and the buffy-headed marmoset struggle for survival in Brazil's coastal Atlantic Forest.
Three species of monkeys, the muriqui, the golden lion tamarin and the buffy-headed marmoset struggle for survival in Brazil's coastal Atlantic Forest.
A look at how Norway and Sweden are affected by eight months of winter.
A look at how Norway and Sweden are affected by eight months of winter.
A look at the Swedish archipelago and Norway's fjords.
A look at the Swedish archipelago and Norway's fjords.
Africa's spotted hyena is a matriarch dominated, efficient predator.
Africa's spotted hyena is a matriarch dominated, efficient predator.
Sight and sound are experienced through animal eyes and ears.
Sight and sound are experienced through animal eyes and ears.
Enhanced olfactory sensitivity; unique animal senses.
Enhanced olfactory sensitivity; unique animal senses.
Internal clocks guide life rhythms of eating, sleeping, mating, hibernation, birth and death.
Internal clocks guide life rhythms of eating, sleeping, mating, hibernation, birth and death.
This program travels to the island of Cayo Santiago off Puerto Rico to study the behavioral patterns of a colony of feral Rhesus Macaques.
This program travels to the island of Cayo Santiago off Puerto Rico to study the behavioral patterns of a colony of feral Rhesus Macaques.
Rangers at Denali National Park in Alaska train hikers for planned encounters with grizzlies; Alaskan grizzly bears are seen salmon fishing at Brooks Falls.
Rangers at Denali National Park in Alaska train hikers for planned encounters with grizzlies; Alaskan grizzly bears are seen salmon fishing at Brooks Falls.
Penguins, maras, guanacos, sea lions and killer whales highlight this portrait of Patagonia.
Penguins, maras, guanacos, sea lions and killer whales highlight this portrait of Patagonia.
In light of the Persian Gulf War and the recent oil spills, PBS airs an update of the 1984 episode of Nature, Treasures of the Gulf, that focused on the effects of the Iran-Iraq war on the fragile ecology of the Persian Gulf.
In light of the Persian Gulf War and the recent oil spills, PBS airs an update of the 1984 episode of Nature, Treasures of the Gulf, that focused on the effects of the Iran-Iraq war on the fragile ecology of the Persian Gulf.
The beauty of the African plains and the effects of tourism on the area.
The beauty of the African plains and the effects of tourism on the area.
Filmmaker Simon Trevor, a former game warden, records the decimation of African elephants.
Filmmaker Simon Trevor, a former game warden, records the decimation of African elephants.
The natural and human history of the Grand Tetons and Jackson Hole, Wyoming.
The natural and human history of the Grand Tetons and Jackson Hole, Wyoming.
Life within a close-knit golden jackal family on the plains of Lemuta in Africa.
Life within a close-knit golden jackal family on the plains of Lemuta in Africa.
Biologist Lynn Rogers follows the black bear out of hibernation and into the Minnesota woods.
Biologist Lynn Rogers follows the black bear out of hibernation and into the Minnesota woods.
The relationship within a wild dog pack on Africa's Serengeti Plains.
The relationship within a wild dog pack on Africa's Serengeti Plains.
A profile of the albatross examines its traits and habitats, as well as the mysteries and myths surrounding it.
A profile of the albatross examines its traits and habitats, as well as the mysteries and myths surrounding it.
A polecat winters at a working farm in Wales, along with scavenging foxes, rats and birds.
A polecat winters at a working farm in Wales, along with scavenging foxes, rats and birds.
9x21
Season finale
Crown of the Continent: Waterton/Glacier National Park
Episode overview
Grizzlies, wolves and cougars roam Montana's rugged, pristine Glacier National Park.
Grizzlies, wolves and cougars roam Montana's rugged, pristine Glacier National Park.
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