<P> There are 19 generally recognized , discrete subpopulations , though polar bears are thought to exist only in low densities in the area of the Arctic Basin . The subpopulations display seasonal fidelity to particular areas , but DNA studies show that they are not reproductively isolated . The thirteen North American subpopulations range from the Beaufort Sea south to Hudson Bay and east to Baffin Bay in western Greenland and account for about 54 % of the global population . </P>
<P> There are 19 generally recognized , discrete subpopulations , though polar bears are thought to exist only in low densities in the area of the Arctic Basin . The subpopulations display seasonal fidelity to particular areas , but DNA studies show that they are not reproductively isolated . The thirteen North American subpopulations range from the Beaufort Sea south to Hudson Bay and east to Baffin Bay in western Greenland and account for about 54 % of the global population . </P>
where is polar bear found in north america
where is polar bear found in north america
Beaufort Sea south to Hudson Bay and east to Baffin Bay in western Greenland
Beaufort Sea south to Hudson Bay and east to Baffin Bay in western Greenland