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Toothwalkers: Giants of the Artic Ice

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TOOTHWALKERS: GIANTS OF THE ARCTIC ICE presents extremely rare under-the-ice footage that reveals a complex and potentially dangerous side to this huge and often mysterious mammal. Filmmakers Adam Ravetch and Sarah Robertson, who are husband and wife, have been studying the giant saber-toothed Arctic walrus for five years. To put his diving skills to use […]

Toothwalkers: Giants of the Artic Ice

Walruses in Captivity

On an individual basis, rescuing orphaned walrus calves from the wild is a good way for biologists to learn more about this species. Five such orphans live at New York’s Aquarium for Wildlife Conservation. The oldest, named Nuka, which means “little sister” in the Inuit language, is 15 years old. She was found near the […]

Toothwalkers: Giants of the Artic Ice

Survival in the Arctic

The NATURE program TOOTHWALKERS: GIANTS OF THE ARCTIC ICE follows the trail of wildlife filmmaker Adam Ravetch on his quest for some of the first underwater walrus footage ever shot. But in what kind of environment do the Arctic’s creatures live? A walrus mother and pup. The vast arctic region is perhaps the last place […]

Toothwalkers: Giants of the Artic Ice

Behind the Scenes

NATURE Online asked filmmaker Adam Ravetch, featured in TOOTHWALKERS to talk about the experience of filming walruses underwater: Filming the Arctic walrus presented many challenges. I was searching for new subject matter, wildlife that little was known about, and I wanted to be challenged physically. I also wanted an adventure. So the Arctic was the […]

The Urban Elephant

Whatever Happened to Shirley and Jenny?

In 2000, The Urban Elephant brought viewers the touching story of Shirley and Jenny, two crippled elephants reunited at The Elephant Sanctuary in Tennessee after a 22-year separation. The bonding was immediate, intense and unforgettable between the two former circus elephants. But long after the cameras were turned off, the wondrous moments would continue. The […]

Dolphins: Close Encounters

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Fraser’s. Hector’s. Spinner. Rough-toothed. Bottlenose. They are just a few of the nearly three dozen species of dolphin that glide through the earth’s oceans, at home in a watery world most air-breathing mammals would find hostile. But as NATURE’s Dolphins: Close Encounters shows, these small whales have proved remarkably rugged and intelligent. Indeed, people have come […]

The Nature of Sex

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From the sea horse that mates in an hypnotic underwater ballet to the rodent who copulates until he literally drops dead, THE NATURE OF SEX spans the globe to illustrate how an astonishing diversity of life forms find their mates and conceive, raise, and protect their offspring. This Web companion to the four-part series takes […]

The Body Changers

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Evolution makes the surreal seem commonplace in NATURE’s The Body Changers. In The Metamorphosis, Franz Kafka wrote about a hapless fellow who awakens one day to find he has changed into a cockroach. In the world of fiction, this is an example of surrealism; in the natural world, it typifies an everyday occurrence. Many animals have […]