All polar bears
descended from one grizzly
http://www.australiangeographic.com.au/journal/all-polar-bears-descended-from-one-grizzly.htm
THE ARCTIC'S DWINDLING POPULATION of polar bears all
descend from a single mamma brown bear which lived 20,000 to 50,000 years ago
in present-day Ireland, new research suggests.
DNA samples from the great white carnivores - taken from across their entire range in Russia, Canada, Greenland, Norway and Alaska - revealed that every individual's lineage could be traced back to this Irish forebear
DNA samples from the great white carnivores - taken from across their entire range in Russia, Canada, Greenland, Norway and Alaska - revealed that every individual's lineage could be traced back to this Irish forebear
