Some tourists on a tundra buggy tour of the Churchill wildlife management area on Nov. 20 were shaken and started crying after witnessing a male polar bear eating a baby polar bear, said John Gunter, general manager for Frontiers North Adventures, an area tour operator.Eight cases of mature male polar bears eating baby bear cubs have been reported this year..... Infanticide [ Baby killing ] occurs among polar bears when they run low on fat reserves and become hungry enough to resort to cannibalism [and murder ]..... Scientists predict that with later formation of ice in the fall and earlier...