Wildlife with Bertie Gregory: The Big Freeze | National Geographic

From National Geographic.

National Geographic wildlife filmmaker Bertie Gregory heads to the unforgiving Canadian Arctic. He follows a unique annual event when the polar bears come to the edge of the land, waiting for the “big freeze” that will allow them to start hunting on the ocean ice. In their footsteps, follow other remarkably adapted animals that can survive the Arctic’s frigid temperatures.
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Wildlife with Bertie Gregory: The Big Freeze | National Geographic
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