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

polar bear ursus maritimus svalbard norway holmabukta climate change habitat loss ice melting wildlife arctic ecosystem marine life nature conservation snowy landscape movement shore rocks north cold environmental threats endangered species natural sea animal behavior tundra flora fauna adaptation survival predator prey geography outdoor wilderness regions world kingdom observation biodiversity