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Stagione 2
Data di messa in onda
Mag 05, 2017
Every summer, the frozen waters of Hudson Bay partially thaw for a few short months. For migrating beluga whales, it's a seasonal window of feeding and breeding opportunities, but for
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Every summer, the frozen waters of Hudson Bay partially thaw for a few short months. For migrating beluga whales, it's a seasonal window of feeding and breeding opportunities, but for polar bears, it's a famine-filled test of their survival. Explore the shifting fortunes of a vibrant Arctic world.
Data di messa in onda
Mag 12, 2017
Every year, thousands of salmon make their way upstream along the nearly 2000-mile-long mighty Yukon River, desperate to reach spawning beds. Eagerly checking their progress is a host of
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Every year, thousands of salmon make their way upstream along the nearly 2000-mile-long mighty Yukon River, desperate to reach spawning beds. Eagerly checking their progress is a host of hungry predators, from grizzly bears to bald eagles--all desperate to stock up on protein before the long winter months ahead.
Data di messa in onda
Mag 19, 2017
A polar bear mother keeps watch over her cub as they wait for the coming winter and the plentiful feeding opportunities it brings. But there are threats abound: from cannibalistic male
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A polar bear mother keeps watch over her cub as they wait for the coming winter and the plentiful feeding opportunities it brings. But there are threats abound: from cannibalistic male bears, to the devastating impact of climate change, which has delayed the seasonal freeze and put them at risk of starvation.
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