As their prey is aquatic, polar bears are outstanding swimmers, and they're even recognised to eliminate beluga whales. In swimming, the polar bear takes advantage of only its front limbs, an aquatic adaptation found in no other 4-legged mammal. Polar bears are opportunistic and predatory: they'll eat lifeless fish and https://www.youtube.com/channel/UCCoZfLHRsYsRsVHqS-CSAWA