Adult male polar bear (Ursus maritimus) drawn to a fin whale carcass in Holmabukta in the Svalbard Archipelago, Norway

polar bear fin whale carcass svalbard arctic wildlife marine mammals ursus maritimus scavenging ecosystem holmabukta cold snow nature predator hunting environment large feeding behavior animal biodiversity conservation habitat ice tundra sea landscape north carnivore natural movement observation solitary circle life food source ecology climate diet interspecies interactions region carnivores wilderness