A male polar bear walks along the shore of Hudson Bay near Churchill, Man. on Monday Aug. 23, 2010. Manitoba has made it easier for zoos to take polar bears from the wild and put them in captivity. The Nasittuq Corporation says a worker has died after being attacked by two polar bears at its site on Brevoort Island, off the eastern coast of Baffin Island in Nunavut. THE CANADIAN PRESS/Sean Kilpatrick