Nature

- Season 27

(2008)

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Everything about them is big. They are one of nature's largest raptors, with wings that can span eight feet, and nests that can weigh up to a ton. Unique to North America, the bald eagle is the continent's most recognizable aerial predator, with a shocking white head, electric yellow beak and penetrating eyes. Yet most people know little about it beyond its striking appearance. In the 1960s, the bald eagle was on the brink of extinction caused by the pesticide DDT and other human pressures. Following their protection as an endangered species, bald eagles have come ...

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An in-depth look into the life of a skunk. Explores far more than their ability to make a stink.

Rising sharply from the South African landscape, cliffs like spines form the majestic Drakensberg Mountains. Born of Jurassic molten lava, they span more than 600 miles and tower more than 10,000 feet.

Americans own 73 million dogs and 90 million cats. They become best friends, soul mates, family members, and even surrogate children. Relationships with cats and dogs are some of the longest and most intimate of our lives. Why are we so attached? Animal behavior experts, evolutionary biologists, veterinarians, and pet owners share insights and observations about these animals and their impact on us.

Kilauea, on Hawaii's Big Island, is the world's most active volcano. Its last eruption began in 1983 and hasn't stopped since. Few have ever filmed the cataclysmic meeting of 2,000-degree lava and 75-degree ocean water.

It is the greatest mass extinction since the dinosaurs. Population by population, species by species, amphibians are vanishing off the face of the Earth. Despite international alarm and a decade and a half of scientists scrambling for answers, the steady hemorrhaging of amphibians continues like a leaky faucet that cannot be fixed or a wound that will not heal. Large scale die-offs of frogs around the world have prompted scientists to take desperate measures to try to save those frogs they can, even bathing frogs in Clorox solutions and keeping them in Tupperware ...

Around the globe, unique and fascinating species face extinction from hunting and habitat destruction, which affects vulnerable animals in every kind of environment. Biologists, conservationists, wildlife preservation centers and zoological parks work to breed and shelter rare and critically endangered animals when and where they can, but many species are down to the last few individuals and face an increasingly uncertain future. For some, however, the future is all too clear. Lonesome George, a Pinta Island tortoise from the Galapagos Islands, is the very last of his...

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Victoria Falls, between the borders of Zambia and Zimbabwe, is over a mile wide. Many birds, reptiles, fish, and mammals call this area home.