CBC: Even a single polar bear can devastate all the eggs on a single island where birds such as common eiders nest. This unfortunate colony was visited by three bears at once. (Courtesy Steve Marson)
Shrinking Arctic sea ice has left polar bears scrambling to find food, and they've taken to eggs in a big way, unfortunately for the birds.
While some athletes may impress us by downing a mere dozen eggs for breakfast, a polar bear in the Northern Hudson Bay region can eat hundreds of seabird eggs in...