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Emperor penguin (Aptenodytes forsteri), adult and young baby in Snow Hill Island, Antarctic Peninsula | Cordier Sylvain/Corbis
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Top 10 Weird Ways Animals Stay Warm in Winter

To conquer the cold, animals have astounding survival skills such as antifreeze blood, lounging by hot springs, and even having gender-bender orgies.

January 7, 2014
9:20 AM EST
A young icefish. | Uwe Kils, Wikimedia Commons
The European common lizard (Lacerta vivipara) | Mathias Krumbholz, Wikimedia Commons
A Burmese python on a clutch of eggs. | Paul Tessier, Getty Images
Alpine Marmots (Marmota marmota) in Hohe Tauern National Park, Grossglockner High Alpine Road, Carinthia, Austria. | Raimund Linke, Getty Images
Red-sided garter snakes (Thamnophis sirtalis parietalis) at a hibernaculum in Inwood, Manitoba, Canada. | Roberta Olenick, Getty Images
A snow monkey relaxing after a nice bath in Jigokudani hot spring, Nagano, Japan. | Electra K. Vasileiadou, Getty Images
Bison and winter snow at Yellowstone National Park. | Dennis Walton, Getty Images
Adult humpback whale (Megaptera novaeangliae) breaching in the AuAu Channel between the islands of Maui and Lanai, Hawaii. | Michael S. Nolan, Getty Images
Infrared image of a polar bear. | Arno / Coen, Wikimedia Commons

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