Scientists say polar bears won't thrive on land food
Wednesday, April 1, 2015 - 13:20
in Earth & Climate
ANCHORAGE, Alaska (AP) -- Polar bears forced off sea ice because of global warming will not find enough food to replace their current diet of fat-laden marine mammals such as seals, researchers say in a paper, a conclusion that contradicts studies indicating they could be embracing bird eggs, berries and other land food sources....