Nature

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

My Life as a Turkey is the account of an amazing experiment: Naturalist Joe Hutto incubates two dozen wild-turkey eggs with the intention of human-imprinting and raising them. But the relationship that develops between the author and the birds changes his life so that he wonders who has imprinted whom.

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.

Find out if human beings' efforts to outwit raccoons are actually making the animals smarter.

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

This film will explore the remarkable bond between the koala and the eucalypt trees it so depends upon.

Embark with conservation ecologist Chris Morgan on a great challenge: to find and film the Siberian tiger.

Take an intimate look at the snowy owl, a bird made popular by Harry Potter's faithful companion, Hedwig.

Despite the odds, there are countless stories of the most unlikely cross-species relationships imaginable: a goat guiding a blind horse; a doe who regularly visits her Great Dane surrogate mother; a juvenile gibbon choosing to live with a family of capuchins, and so on. Instincts gone awry? The subject has mystified scientists for years. Now, NATURE investigates why animals form these special bonds. Informed by the observations of caregivers and noted scientists Temple Grandin and Marc Bekoff, the film explores what these relationships suggest about the nature of animal emotions.

There are some 120 species of duck, representing a wide variety of shapes, sizes and behaviors. Some are noisy and gregarious, others shy and elusive. They are familiar animals we think we know. But most of us don't really know these phenomenal, sophisticated creatures at all. This program follows a wood duck family as a male and female create a bond, migrate together across thousands of miles, nurture and protect a brood of chicks, then come full circle as they head to their wintering grounds