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Leave it to Beavers

Season 32 Episode 17 | 53m 09s

The beaver, more than any other animal, is responsible for creating fertile landscapes across North America, but it hasn’t gotten much recognition for that accomplishment until now. A growing number of scientists, conservationists and grass-roots environmentalists have come to regard beavers as overlooked tools in reversing the effects of global warming and world-wide water shortages.

Aired: 05/13/14 | Expires: 11/01/18

Major support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, The Fairweather Foundation, Kate W. Cassidy Foundation, Charles Rosenblum, Kathy Chiao and Ken Hao, Sue and Edgar Wachenheim III, Filomen M. D’Agostino Foundation, Lillian Goldman Charitable Trust, Gregg Peters Monsees Foundation, Koo and Patricia Yuen, Sandra Atlas Bass, The Hite Foundation, Sarah and Sandra Lyu in memory of Seung and Dorothy Lyu, Bradley L. Goldberg Family Foundation, Arlene and Milton D. Berkman, Perpetual Kindness Foundation and Sun Hill Renewal Fund, by the Corporation for Public Broadcasting and by Viewers Like You.

Extras

Nature

Preview of Dracula’s Hidden Kingdom

Discover the wildlife of Transylvania, a mysterious region hiding some of Europe’s last wilderness.

Preview: S43 E2 | 0:30

Nature

NATURE - Season 43

Get a sneak peek at a brand new season of NATURE on PBS.

Preview: S43 | 4:30

Nature

Preview of Silverback

In Congo, filmmaker Vianet Djenguet comes face to face with the forest’s largest gorilla.

Preview: S43 E1 | 0:30

Nature

The Dangers of Gorilla Conservation

Conservationists put themselves at risk to habituate a notoriously protective 500-pound silverback.

Clip: S43 E1 | 4:19

Nature

Rare Gorilla Family Moment Caught on Camera

A mother gorilla feeds her infant within the gaze of the outsiders.

Clip: S43 E1 | 2:19

Watch • 16:08

Nature

The Frog Ark | WILD HOPE

Frogs are going extinct - here's how we can save them.

Special: 16:08

Nature

Preview of Wild Ireland: Kingdom of Stone

See the spectacular wildlife of The Burren in Ireland through the eyes of a pine marten.

Preview: S42 E17 | 0:30

Nature

Filming Ireland's Harsh Landscapes

Director John Murray takes us inside the making of "Wild Ireland: Kingdom of Stone."

Clip: S42 E17 | 7:34

Nature

Growing Up as an Irish Pine Marten

Two pine marten kits grow up over several months.

Clip: S42 E17 | 3:19

Nature

Mysterious Gathering of Sharks

Basking sharks are typically solitary but large groups have recently been found together.

Clip: S42 E17 | 2:53

All

Nature

Dracula’s Hidden Kingdom

Discover the wildlife of Transylvania, a mysterious region hiding some of Europe’s last wilderness.

Episode: S43 E2

Nature

Silverback

In Congo, filmmaker Vianet Djenguet comes face to face with the forest’s largest gorilla.

Episode: S43 E1

Watch • 53:27

Nature

Wild Ireland: Kingdom of Stone

See the spectacular wildlife of The Burren in Ireland through the eyes of a pine marten.

Episode: S42 E17 | 53:27

Watch • 53:29

Nature

Saving the Animals of Ukraine

Witness a moving view into the effects of war on animals and the humans who help them.

Episode: S42 E16 | 53:29

Watch • 53:18

Nature

Grizzly 399: Queen of the Tetons

The most famous grizzly bear in the world attempts to raise cubs amid conflicts with people.

Episode: S42 E15 | 53:18

Watch • 53:28

Nature

Extreme Lives | Raptors: A Fistful of Daggers

See the extreme ways in which raptors conquer the toughest habitats on Earth.

Episode: S42 E14 | 53:28

Watch • 53:58

Nature

Meet the Raptors | Raptors: A Fistful of Daggers

From giant eagles to miniature falconets, meet the many species of raptors.

Episode: S42 E13 | 53:58

Watch • 53:08

Nature

Patrick and the Whale

Patrick Dykstra has a life-changing encounter with a sperm whale and uncovers their world.

Episode: S42 E12 | 53:08

Watch • 53:03

Nature

Attenborough and the Jurassic Sea Monster

Sir David Attenborough and experts unearth the fossil of the largest Jurassic predator.

Episode: S42 E11 | 53:03

Watch • 53:18

Nature

Flyways

Follow scientists racing against the clock to save the world’s migratory shorebirds.

Episode: S42 E10 | 53:18