Polar bear (Ursus maritimus) Twin polar cubs on their mother's back. Churchill, MB, Canada,

ursus maritimus ursus ursidae carnivora mammalia vertebrata polar bear ursus maritimus north american tundra snow spring adult family lie down rest sleep profile shot overview carnivore diet play churchill bay ursus tree complicity sleepy vulnerable iucn vu litter offspring cites appendix 2 bear cub she bear blue sky march month nobody bear carnivoran mammal wild animal polar tundra low formation area solid precipitation precipitation 2 meteorological phenomenon atmosphere temperate season seasons stage of development individual enumeration posture behavior shot diet pattern species manitoba province of canada north america america ursidae carnivora mammalia vertebrata woody plant morphology botany morphology organism emotion iucn red list of threatened species convention on international trade in endangered species of wild cites young female sky polar bears ursus maritimus north american tundras snow covered snowy adults families 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 sleeps dormant sleeping profile sights profile sight profile shots profile view profile views side view overviews global sight global sights full length carnivorous animal carnivores diet carnivorous animals meat eating animal meat eating animals enjoy itself playing enjoying itself played trees complicities collusion accomplice accomplices collusions sleepiness put to sleep putting to sleep fall asleep falling asleep vulnerable species litters offspring bear cubs she bears blue skies good weather nice weather with nobody ursus maritimus