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Inside a glacier, a biologist finds an incredibly rare ice dragon
The Patagonian ice dragon lives on glaciers and is believed to have natural anti-freeze in its blood. This rare creature is endangered because its habitat is melting away. "Patagonia: Life on the Edge of the World" airs Sundays at 9 p.m. ET.
01:53
- Source:
CNN
Patagonia: Life on the Edge of the World
16 videos

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Inside a glacier, a biologist finds an incredibly rare ice dragon

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