:As climate change accelerates ice melt in the Arctic, polar bears may find caribou and snow geese replacing seals as an important food source, shows a recent study. The research is based on new computations incorporating caloric energy from terrestrial food sources and indicates that the bears' extended stays on land may not be as grim as previously suggested.
http://www.sciencedaily.com/releases/2015/09/150904144453.htm
http://www.sciencedaily.com/releases/2015/09/150904144453.htm