Polar Bear( Ursus maritimus ), along a barrier island outside Kaktovik, Every fall, polar bears (Ursus maritimus) gather near Kaktovik on the northern edge of ANWR, Barter Island, Arctic National Wildlife Refuge, Alaska

polar bear (ursus maritimus) global warming natural area autumn adult group lie down rest overview carnivore (diet) arctic look cold sea ursus complicity north american protected areas (united states) vulnerable (iucn) vu pebble shore cites appendix 2 blue sky september arctic national wildlife refuge beaufort sea nobody national wildlife refuge bear carnivoran mammal wild animal climate change hazard environment naturalness area temperate season seasons atmosphere stage of development individual enumeration posture behavior shot diet pattern species continent sea marine area ursidae carnivora mammalia vertebrata emotion united states of america north america america iucn red list of threatened species strand convention on international trade in endangered species of wild sky meteorological phenomenon month of year alaska pacific states western united states arctic ocean world sea and ocean environment protection environment management biodiversity management polar bears (ursus maritimus) greenhouse effects heat earth climatic effects climatic effect heats earth global reheatings greenhouse effect nature natural areas ecosystem ecosystems fall (season) adults groups going to bed lengthened stretched out lengthen lengthening bedtime stretching out stretch out go to bed laying down siestas resting siesta rested restful make the siesta making the siesta being lazy be lazy overviews global sight global sights full length carnivorous animal carnivores (diet) carnivorous animals meat eating animal meat eating animals looked looking cold seas cold ocean cold oceans complicities collusion accomplice accomplices collusions north american protected area (united states) north american national parks (united states) vulnerable species pebble shores pebbles shores blue skies good weather nice weather with nobody ursus maritimus