WHERE THE BEARS ARE
For instance, greater than 21,000 years back throughout an ice age occasion, glaciers protected a lot of North America leaving just glacial refugium. Refugia are "pockets" of ice-free environment where plants and pets retreat throughout ice ages.
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The scientists determined the place of 4 glacial refugia for black bears—in the Southeast, Southwest, Pacific Northwest, and Alaska—and discussed movement patterns from the refugia as the ice retreated. This, they think, explains the present day circulation of births.

"What's interesting about the outcomes of this study is that we currently understand how births belong throughout various geographical ranges and we can utilize this information to start understanding functional adjustments such as hibernation qualities," Puckett says.

The hereditary maps provided by the study also will help notify preservation management groups throughout specify lines and also throughout nations consisting of, Canada, the US, and Mexico.

The study is released in the journal Molecular Biology and Development.