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The Ross Sea is a 1.9 million square mile (3.6 million square km) stretch of ocean off the coast of Antarctica.
Slideshow

A Trip South to Antarctica’s Ross Sea

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A narwhal breaches the surface, its tusk pointed to the sky
Article

Why a Tusk? The real-life unicorns of the sea and the tusks that make them famous

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Diagram of narwhal anatomy and tusk function
Photo

Narwhal Anatomy

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Human activity is increasing in the Arctic marine environment due to climate change. To help the most vulnerable areas, the Global Marine Program of IUCN, along with partners, is convening a series of workshops aimed at enhancing ecosystem-based management and identifying biologically or ecologically important or vulnerable habitats. Burgerbukta, a bay in Svalbard, Norway, is being managed for ecosystem protection.
Article

The Sant Ocean Hall: Life at the Poles Exhibit

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A walrus sits on top of ice.
Photo

One Hundred Names for Sea Ice

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A humpback whale breaching in Antarctic waters.
Article

Humpback Whales in Antarctica: What Are the Whales Doing?

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In 2011, storms and lack of ice-cover due to a warmer winter climate resulted in hundreds of seal pups being washed up on the shore of Prince Edward Island. Like many, this young seal faced an uncertain future. See more Nature's Best Photos.
Article

Ice-Loving Seals and the Loss of Sea Ice

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The Antarctic minke whale is the only baleen whale found in the icy waters of the Antarctic.
Photo

Antarctic Minke Whale

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A walrus sits on a floating piece of ice.
Photo

Walrus on Ice

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Weddell seals grind their teeth on holes in the ice to keep them open to their comings and goings between ocean and air.
Photo

Weddell Seal in Antarctic Water

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The Encyclopedia of Life brings us another installment of the podcast, One Species at a Time. In this podcast, host Ari Daniel Shapiro relates two close calls with polar bears. Listen as Heather Cray recalls how, dumped by a storm on a small Arct
Audio

Polar Bears: One Species at a Time

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Polar bears are threatened by a lack of sea ice.
Article

Climate Change at the Poles

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