As Their prey is aquatic, polar bears are fantastic swimmers, and they are even known to kill beluga whales. In swimming, the polar bear makes use of only its entrance limbs, an aquatic adaptation present in no other 4-legged mammal. Polar bears are opportunistic in addition to predatory: they may https://www.youtube.com/channel/UCCoZfLHRsYsRsVHqS-CSAWA