It is one of the biggest polar bear skulls ever found — and quite different from most modern polar bear skulls. It is slender, elongated in the back and has unusual structural features around ...

In this Nov. 6, 2007, file photo, a polar bear mother and her two cubs are seen in Wapusk National Park on the shore of Hudson Bay near Churchill, Man. Photo by Jonathan Hayward / The Associated Press ...

Moose Jaw man in trouble for importing bear hides, skull from Yukon By The Staff The Canadian Press Posted October 29, 2012 12:14 pm 1 min read ...

More diversity suggests more bears. “How different the bears are from one another on a genetic levelcan be a marker of population size,” Szpak said.

All brown bears today have some polar bear ancestry due to genetic mixing more than 100,000 years ago. Researchers obtained ancient DNA from the skull of a young polar bear that was found in 2009 on ...