Adult polar bear (Ursus maritimus) in Holmabukta on the northwest coast of Spitsbergen in the Svalbard Archipelago, Norway

polar bear ursus maritimus holmabukta spitsbergen svalbard arctic wildlife nature frozen landscape melting ice environment conservation marine mammals habitat tundra natural behavior predators cold climate adaptability coastal watching ecological impact snow rocks shoreline wilderness mammal adult water biological diversity isolation fauna loss survival ecosystem food chain change endangered species biodiversity