Alaskan Brown Bear Kills and Eats Moose in Driveway! "This brown bear sow chased and caught an adult cow moose in our driveway May 6th '07. The bear was estimated to be about 500 lbs and the cow moose an older animal. After dragging the moose a ways the bear dug into the chest cavity and pulled the heart out and ate it. She then left but came back that night a few times looking for the moose which had been towed down the road by a state trooper and a fish and wildlife guy until the next in line