Daily Kos: The Arctic is the fastest warming region on earth. The polar bear, the iconic large mammal of the Arctic, is threatened by the warming-caused loss of Arctic sea ice because it hunts its primary prey, seals, from the ice. Climate change is forcing polar bears to change their diets from seals to bird eggs as summer sea ice retreats in the Arctic ocean. Hungry polar bears, unable to catch seals in the open Arctic ocean, have been observed devouring every egg on an island of nesting birds. One hungry...