Is That Polar Bear Getting Enough to Eat? Try a Collar With a Camera.

Climate change is stretching the length of time parts of the Far North go without sea ice, which polar bears rely on to hunt their preferred prey: blubbery, calorie-rich seals. When the ice melts in summer, the bears move onto land and face two options. They can rest and slow down to a state approaching hibernation, or they can forage for alternative food like berries, bird eggs and small land animals.Scientists…