The grizzly has roamed North America for nearly a million years. And now, in the last century and a half, he has come dangerously close to extinction. Frank and John Craighead have tracked this extraordinary creature.
Overview：The grizzly has roamed North America for nearly a million years. And now, in the last century and a half, he has come dangerously close to extinction. Frank and John Craighead have tracked this extraordinary creature.
