When the polar bears are forced to spend more time on land than on the ice, the risk of them starving to death increases, a new study shows. This shows, say the researchers, that Polar Bears will find it difficult to adapt to a changing climate with warmer summers. "Polar bears are not grizzly bears wearing white coats. They're very, very different." said Charles Robbins, director of the Washington State University Bear Center and co-author of the study in the journal Nature Communications.
