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This image is of two polar bears cuddled together on a piece of Arctic sea ice, surrounded by ocean water and thin layers of sea ice. This image allows for a deeper understanding of the endangered species and highlights the need for USGS research to help in their protection.Learn more about USGS polar bear research at: <a href="http://bit.ly/USGSpolarbears&quot; rel="nofollow">bit.ly/USGSpolarbears</a>Location: ArcticPhotographer: Jessica Robertson , U.S. Geological Survey