As their prey is aquatic, polar bears are excellent swimmers, and they are even identified to get rid of beluga whales. In swimming, the polar bear employs only its front limbs, an aquatic adaptation present in no other four-legged mammal. Polar bears are opportunistic and predatory: they may consume lifeless https://www.youtube.com/channel/UCCoZfLHRsYsRsVHqS-CSAWA