Two young polar bears (Ursus maritimus), feeding side-by-side on a fresh bearded seal kill on Spitsbergen, Svalbard, Norway

polar bears ursus maritimus bearded seal feeding wildlife svalbard spitsbergen arctic ecosystem nature survival young scavenging carnivore marine mammal habitat tundra ice snow behavior natural seals winter animal biodiversity conservation watching fauna scavengers bear cubs mother cold environment food source predator prey region interaction hunt ecological balance animals study dynamics