Polar Bear (Ursus maritimus) feeding on a Narwhal (Monodon monoceros) on icepack as a gull waits to scavenge the carcass. Floe edge, Arctic Bay, Baffin Island, Nunavut, Canada, June., ARCTIC,BEARS,BEHAVIOUR,BIRDS,CANADA,CARNIVORES,ENDANGERED,FEEDING,GULLS,ICE,MAMMALS,MARINE,MIXED SPECIES,NARWHALS,NORTH AMERICA,PREDATION,PREY,VERTEBRATES,WHALES, Eric Baccega