Nature

- Season 30

(2011)

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The most powerful raptor in the world, the harpy eagle, hides away deep in the South American jungle.

Naturalist Jim Hutto's remarkable experience of being imprinted on by a group of wild turkey hatchlings, and raising them to adulthood and beyond, in the remote wilderness of northern Florida.

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Part of the massive Tongass National Forest, Admiralty Island in Southeast Alaska supports the largest concentration of bears anywhere in the world. Sustained by a wealth of salmon streams, isolated and protected by their environment, some 1,700 Alaskan brown bears are part of a unique circle of life that has played out here for centuries.

An examination of the raccoon, the largest mammal species to have adapted well to human cities.

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This film is a journey of exploration into one of America's best kept secrets

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Follow individual koalas from a small social group on an Australian island to learn just how a koala manages to survive and thrive on a diet poisonous to almost all other herbivorous mammals. From the miracle of marsupial birth to tender moments of discovery between mother and newborn joey, encounters with threatening forest creatures, battles between rival males and the complex chorus of bellows and grunts that have become so important to science -- join leading scientists as they unravel just what a forest needs to support a healthy population of koalas by listening...