A juvenile polar bear (Ursus maritimus) skull, possibly predated by adult polar bear, in the Svalbard Archipelago, Norway, Arctic, Europe

polar bear skull juvenile adult predation svalbard norway arctic ursus maritimus wildlife ecosystem scavenging animal remains paleontology research biology polar habitats marine mammals conservation arctic ecosystems fauna bones animal behavior skull identification ecology arctic regions habitat loss climate change research findings natural history exploration wildlife study field research unique discovery arctic north fossil record environmental science biodiversity juvenile bear skull study predatory behavior natural selection skeletal remains wilderness exploration arctic conditions biogeography wildlife habitats polar ecosystem cold climate geological features