Polar Bears Older Than Previously Thought (3 of 5) (IMAGE)

American Association for the Advancement of Science (AAAS)

Polar Bears Older Than Previously Thought (3 of 5)

Caption

This is a polar bear walking on the frozen Hudson Bay near Cape Churchill, Canada. This image relates to a paper that appeared in the April 20, 2012, issue of Science, published by AAAS. The paper, by Frank Hailer at the Senckenberg Gesellschaft für Naturforschung in Frankfurt am Main, Germany, and colleagues was titled, "Nuclear Genomic Sequences Reveal that Polar Bears Are an Old and Distinct Bear Lineage."

Credit

Photo courtesy of Hansruedi Weyrich - <a href="http://www.weyrichfoto.ch">www.weyrichfoto.ch</a>

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Please cite the owner of the image when publishing. This image may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact <i>Science</i> for permission.

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