The polar bear is a marine mammal because it spends many months of the year at sea. This mammals has the large limbs and feet that allow them to cover miles on foot and run on land. This bear lives in the cold or say ice. Here in this video which has been captured by Amos Nachoum who is 65 years old came face to face with the apex predator whilst diving off the coast of North-East canada. This video was taken on August. He captured the amazing moment where a mother polar bear teach her cubs to swim. Like every mother teach their child every habits so here the mother bear too is teaching to swim. Amos attempted to take a similar scenario of pictures ten years ago but that time he took it only with a single male polar bear. But unfortunately that bear deceived him threaten him and chased him to a depth of 75 feet deep in the sea. Amos in his past life has taken close up underwater pictures of Nile Crocodiles, anacondas, leopard seals, orcas, great white sharks and grizzly bears. Nick Johnson produced this video which has been edited by Kyle Waters.